Bump webpack-dev-server from 5.2.0 to 5.2.1 in /wasm/demo (#5801 )

Bumps [webpack-dev-server](https://github.com/webpack/webpack-dev-server) from 5.2.0 to 5.2.1. - [Release notes](https://github.com/webpack/webpack-dev-server/releases) - [Changelog](https://github.com/webpack/webpack-dev-server/blob/master/CHANGELOG.md) - [Commits](https://github.com/webpack/webpack-dev-server/compare/v5.2.0...v5.2.1) --- updated-dependencies: - dependency-name: webpack-dev-server dependency-version: 5.2.1 dependency-type: direct:development ... Signed-off-by: dependabot[bot] <support@github.com> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Fix Nightly clippy (#5798 )
2026-06-02 19:39:49 +09:00 · 2025-06-06 23:17:32 +09:00 · 2025-06-06 22:00:07 +09:00 · 2025-06-05 14:41:56 +09:00 · 2025-05-21 12:12:14 +09:00 · 2025-05-20 11:10:13 +09:00
187 changed files with 8099 additions and 3377 deletions
--- a/.devcontainer/Dockerfile
+++ b/.devcontainer/Dockerfile
@@ -0,0 +1,6 @@
+FROM mcr.microsoft.com/vscode/devcontainers/rust:1-bullseye
+
+# Install clang
+RUN apt-get update \
+  && apt-get install -y clang \
+  && rm -rf /var/lib/apt/lists/*
--- a/.devcontainer/devcontainer.json
+++ b/.devcontainer/devcontainer.json
@@ -1,4 +1,25 @@
 {
-  "image": "mcr.microsoft.com/devcontainers/base:jammy",
-  "onCreateCommand": "curl https://sh.rustup.rs -sSf | sh -s -- -y"
-}
+  "name": "Rust",
+  "build": {
+    "dockerfile": "Dockerfile"
+  },
+  "runArgs": ["--cap-add=SYS_PTRACE", "--security-opt", "seccomp=unconfined"],
+  "customizations": {
+    "vscode": {
+      "settings": {
+        "lldb.executable": "/usr/bin/lldb",
+        // VS Code don't watch files under ./target
+        "files.watcherExclude": {
+          "**/target/**": true
+        },
+        "extensions": [
+          "rust-lang.rust-analyzer",
+          "tamasfe.even-better-toml",
+          "vadimcn.vscode-lldb",
+          "mutantdino.resourcemonitor"
+        ]
+      }
+    }
+  },
+  "remoteUser": "vscode"
+}
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -324,11 +324,13 @@ jobs:
        with:
          python-version: ${{ env.PYTHON_VERSION }}
      - name: install ruff
-        run: python -m pip install ruff==0.0.291 # astral-sh/ruff#7778
+        run: python -m pip install ruff==0.11.8
      - name: Ensure docs generate no warnings
        run: cargo doc
-      - name: run python lint
-        run: ruff extra_tests wasm examples  --exclude='./.*',./Lib,./vm/Lib,./benches/ --select=E9,F63,F7,F82 --show-source
+      - name: run ruff check
+        run: ruff check --diff
+      - name: run ruff format
+        run: ruff format --check
      - name: install prettier
        run: yarn global add prettier && echo "$(yarn global bin)" >>$GITHUB_PATH
      - name: check wasm code with prettier
@@ -338,7 +340,7 @@ jobs:
      - name: install extra dictionaries
        run: npm install @cspell/dict-en_us @cspell/dict-cpp @cspell/dict-python @cspell/dict-rust @cspell/dict-win32 @cspell/dict-shell
      - name: spell checker
-        uses: streetsidesoftware/cspell-action@v6
+        uses: streetsidesoftware/cspell-action@v7
        with:
          files: '**/*.rs'
          incremental_files_only: true
--- a/.gitignore
+++ b/.gitignore
@@ -2,11 +2,11 @@
 /*/target
 **/*.rs.bk
 **/*.bytecode
-__pycache__
+__pycache__/
 **/*.pytest_cache
 .*sw*
 .repl_history.txt
-.vscode
+.vscode/
 wasm-pack.log
 .idea/
 .envrc
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -16,15 +16,15 @@ checksum = "aae1277d39aeec15cb388266ecc24b11c80469deae6067e17a1a7aa9e5c1f234"

 [[package]]
 name = "ahash"
-version = "0.8.11"
+version = "0.8.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e89da841a80418a9b391ebaea17f5c112ffaaa96f621d2c285b5174da76b9011"
+checksum = "5a15f179cd60c4584b8a8c596927aadc462e27f2ca70c04e0071964a73ba7a75"
 dependencies = [
 "cfg-if",
- "getrandom 0.2.15",
+ "getrandom 0.3.2",
 "once_cell",
 "version_check",
- "zerocopy 0.7.35",
+ "zerocopy",
 ]

 [[package]]
@@ -115,9 +115,9 @@ dependencies = [

 [[package]]
 name = "anyhow"
-version = "1.0.97"
+version = "1.0.98"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dcfed56ad506cb2c684a14971b8861fdc3baaaae314b9e5f9bb532cbe3ba7a4f"
+checksum = "e16d2d3311acee920a9eb8d33b8cbc1787ce4a264e85f964c2404b969bdcd487"

 [[package]]
 name = "approx"
@@ -178,7 +178,7 @@ dependencies = [
 "regex",
 "rustc-hash",
 "shlex",
- "syn 2.0.100",
+ "syn 2.0.101",
 ]

 [[package]]
@@ -213,9 +213,9 @@ dependencies = [

 [[package]]
 name = "bstr"
-version = "1.11.3"
+version = "1.12.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "531a9155a481e2ee699d4f98f43c0ca4ff8ee1bfd55c31e9e98fb29d2b176fe0"
+checksum = "234113d19d0d7d613b40e86fb654acf958910802bcceab913a4f9e7cda03b1a4"
 dependencies = [
 "memchr",
 "regex-automata",
@@ -233,9 +233,9 @@ dependencies = [

 [[package]]
 name = "bytemuck"
-version = "1.22.0"
+version = "1.23.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b6b1fc10dbac614ebc03540c9dbd60e83887fda27794998c6528f1782047d540"
+checksum = "9134a6ef01ce4b366b50689c94f82c14bc72bc5d0386829828a2e2752ef7958c"

 [[package]]
 name = "bzip2"
@@ -283,9 +283,9 @@ dependencies = [

 [[package]]
 name = "cc"
-version = "1.2.18"
+version = "1.2.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "525046617d8376e3db1deffb079e91cef90a89fc3ca5c185bbf8c9ecdd15cd5c"
+checksum = "8691782945451c1c383942c4874dbe63814f61cb57ef773cda2972682b7bb3c0"
 dependencies = [
 "shlex",
 ]
@@ -313,9 +313,9 @@ checksum = "613afe47fcd5fac7ccf1db93babcb082c5994d996f20b8b159f2ad1658eb5724"

 [[package]]
 name = "chrono"
-version = "0.4.40"
+version = "0.4.41"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1a7964611d71df112cb1730f2ee67324fcf4d0fc6606acbbe9bfe06df124637c"
+checksum = "c469d952047f47f91b68d1cba3f10d63c11d73e4636f24f08daf0278abf01c4d"
 dependencies = [
 "android-tzdata",
 "iana-time-zone",
@@ -365,18 +365,18 @@ dependencies = [

 [[package]]
 name = "clap"
-version = "4.5.36"
+version = "4.5.38"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2df961d8c8a0d08aa9945718ccf584145eee3f3aa06cddbeac12933781102e04"
+checksum = "ed93b9805f8ba930df42c2590f05453d5ec36cbb85d018868a5b24d31f6ac000"
 dependencies = [
 "clap_builder",
 ]

 [[package]]
 name = "clap_builder"
-version = "4.5.36"
+version = "4.5.38"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "132dbda40fb6753878316a489d5a1242a8ef2f0d9e47ba01c951ea8aa7d013a5"
+checksum = "379026ff283facf611b0ea629334361c4211d1b12ee01024eec1591133b04120"
 dependencies = [
 "anstyle",
 "clap_lex",
@@ -472,9 +472,9 @@ dependencies = [

 [[package]]
 name = "cranelift"
-version = "0.118.0"
+version = "0.119.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e482b051275b415cf7627bb6b26e9902ce6aec058b443266c2a1e7a0de148960"
+checksum = "6d07c374d4da962eca0833c1d14621d5b4e32e68c8ca185b046a3b6b924ad334"
 dependencies = [
 "cranelift-codegen",
 "cranelift-frontend",
@@ -483,39 +483,42 @@ dependencies = [

 [[package]]
 name = "cranelift-assembler-x64"
-version = "0.118.0"
+version = "0.119.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3e4b56ebe316895d3fa37775d0a87b0c889cc933f5c8b253dbcc7c7bcb7fe7e4"
+checksum = "263cc79b8a23c29720eb596d251698f604546b48c34d0d84f8fd2761e5bf8888"
 dependencies = [
 "cranelift-assembler-x64-meta",
 ]

 [[package]]
 name = "cranelift-assembler-x64-meta"
-version = "0.118.0"
+version = "0.119.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "95cabbc01dfbd7dcd6c329ca44f0212910309c221797ac736a67a5bc8857fe1b"
+checksum = "5b4a113455f8c0e13e3b3222a9c38d6940b958ff22573108be083495c72820e1"
+dependencies = [
+ "cranelift-srcgen",
+]

 [[package]]
 name = "cranelift-bforest"
-version = "0.118.0"
+version = "0.119.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "76ffe46df300a45f1dc6f609dc808ce963f0e3a2e971682c479a2d13e3b9b8ef"
+checksum = "58f96dca41c5acf5d4312c1d04b3391e21a312f8d64ce31a2723a3bb8edd5d4d"
 dependencies = [
 "cranelift-entity",
 ]

 [[package]]
 name = "cranelift-bitset"
-version = "0.118.0"
+version = "0.119.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b265bed7c51e1921fdae6419791d31af77d33662ee56d7b0fa0704dc8d231cab"
+checksum = "7d821ed698dd83d9c012447eb63a5406c1e9c23732a2f674fb5b5015afd42202"

 [[package]]
 name = "cranelift-codegen"
-version = "0.118.0"
+version = "0.119.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e606230a7e3a6897d603761baee0d19f88d077f17b996bb5089488a29ae96e41"
+checksum = "06c52fdec4322cb8d5545a648047819aaeaa04e630f88d3a609c0d3c1a00e9a0"
 dependencies = [
 "bumpalo",
 "cranelift-assembler-x64",
@@ -538,43 +541,44 @@ dependencies = [

 [[package]]
 name = "cranelift-codegen-meta"
-version = "0.118.0"
+version = "0.119.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8a63bffafc23bc60969ad528e138788495999d935f0adcfd6543cb151ca8637d"
+checksum = "af2c215e0c9afa8069aafb71d22aa0e0dde1048d9a5c3c72a83cacf9b61fcf4a"
 dependencies = [
- "cranelift-assembler-x64",
+ "cranelift-assembler-x64-meta",
 "cranelift-codegen-shared",
+ "cranelift-srcgen",
 ]

 [[package]]
 name = "cranelift-codegen-shared"
-version = "0.118.0"
+version = "0.119.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "af50281b67324b58e843170a6a5943cf6d387c06f7eeacc9f5696e4ab7ae7d7e"
+checksum = "97524b2446fc26a78142132d813679dda19f620048ebc9a9fbb0ac9f2d320dcb"

 [[package]]
 name = "cranelift-control"
-version = "0.118.0"
+version = "0.119.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8c20c1b38d1abfbcebb0032e497e71156c0e3b8dcb3f0a92b9863b7bcaec290c"
+checksum = "8e32e900aee81f9e3cc493405ef667a7812cb5c79b5fc6b669e0a2795bda4b22"
 dependencies = [
 "arbitrary",
 ]

 [[package]]
 name = "cranelift-entity"
-version = "0.118.0"
+version = "0.119.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0c2c67d95507c51b4a1ff3f3555fe4bfec36b9e13c1b684ccc602736f5d5f4a2"
+checksum = "d16a2e28e0fa6b9108d76879d60fe1cc95ba90e1bcf52bac96496371044484ee"
 dependencies = [
 "cranelift-bitset",
 ]

 [[package]]
 name = "cranelift-frontend"
-version = "0.118.0"
+version = "0.119.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4e002691cc69c38b54fc7ec93e5be5b744f627d027031d991cc845d1d512d0ce"
+checksum = "328181a9083d99762d85954a16065d2560394a862b8dc10239f39668df528b95"
 dependencies = [
 "cranelift-codegen",
 "log",
@@ -584,15 +588,15 @@ dependencies = [

 [[package]]
 name = "cranelift-isle"
-version = "0.118.0"
+version = "0.119.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e93588ed1796cbcb0e2ad160403509e2c5d330d80dd6e0014ac6774c7ebac496"
+checksum = "e916f36f183e377e9a3ed71769f2721df88b72648831e95bb9fa6b0cd9b1c709"

 [[package]]
 name = "cranelift-jit"
-version = "0.118.0"
+version = "0.119.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "17f6682f0b193d6b7873cc8e7ed67e8776a8a26f50eeabf88534e9be618b9a03"
+checksum = "d6bb584ac927f1076d552504b0075b833b9d61e2e9178ba55df6b2d966b4375d"
 dependencies = [
 "anyhow",
 "cranelift-codegen",
@@ -610,9 +614,9 @@ dependencies = [

 [[package]]
 name = "cranelift-module"
-version = "0.118.0"
+version = "0.119.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ff19784c6de05116e63e6a34791012bd927b2a4eac56233039c46f1b6a4edac8"
+checksum = "40c18ccb8e4861cf49cec79998af73b772a2b47212d12d3d63bf57cc4293a1e3"
 dependencies = [
 "anyhow",
 "cranelift-codegen",
@@ -621,15 +625,21 @@ dependencies = [

 [[package]]
 name = "cranelift-native"
-version = "0.118.0"
+version = "0.119.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e5b09bdd6407bf5d89661b80cf926ce731c9e8cc184bf49102267a2369a8358e"
+checksum = "fc852cf04128877047dc2027aa1b85c64f681dc3a6a37ff45dcbfa26e4d52d2f"
 dependencies = [
 "cranelift-codegen",
 "libc",
 "target-lexicon",
 ]

+[[package]]
+name = "cranelift-srcgen"
+version = "0.119.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "47e1a86340a16e74b4285cc86ac69458fa1c8e7aaff313da4a89d10efd3535ee"
+
 [[package]]
 name = "crc32fast"
 version = "1.4.2"
@@ -840,9 +850,9 @@ dependencies = [

 [[package]]
 name = "error-code"
-version = "3.3.1"
+version = "3.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a5d9305ccc6942a704f4335694ecd3de2ea531b114ac2d51f5f843750787a92f"
+checksum = "dea2df4cf52843e0452895c455a1a2cfbb842a1e7329671acf418fdc53ed4c59"

 [[package]]
 name = "exitcode"
@@ -953,9 +963,9 @@ dependencies = [

 [[package]]
 name = "gethostname"
-version = "1.0.1"
+version = "1.0.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ed7131e57abbde63513e0e6636f76668a1ca9798dcae2df4e283cae9ee83859e"
+checksum = "fc257fdb4038301ce4b9cd1b3b51704509692bb3ff716a410cbd07925d9dae55"
 dependencies = [
 "rustix",
 "windows-targets 0.52.6",
@@ -972,15 +982,13 @@ dependencies = [

 [[package]]
 name = "getrandom"
-version = "0.2.15"
+version = "0.2.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c4567c8db10ae91089c99af84c68c38da3ec2f087c3f82960bcdbf3656b6f4d7"
+checksum = "335ff9f135e4384c8150d6f27c6daed433577f86b4750418338c01a1a2528592"
 dependencies = [
 "cfg-if",
- "js-sys",
 "libc",
 "wasi 0.11.0+wasi-snapshot-preview1",
- "wasm-bindgen",
 ]

 [[package]]
@@ -1016,9 +1024,9 @@ checksum = "a8d1add55171497b4705a648c6b583acafb01d58050a51727785f0b2c8e0a2b2"

 [[package]]
 name = "half"
-version = "2.5.0"
+version = "2.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7db2ff139bba50379da6aa0766b52fdcb62cb5b263009b09ed58ba604e14bbd1"
+checksum = "459196ed295495a68f7d7fe1d84f6c4b7ff0e21fe3017b2f283c6fac3ad803c9"
 dependencies = [
 "cfg-if",
 "crunchy",
@@ -1026,9 +1034,9 @@ dependencies = [

 [[package]]
 name = "hashbrown"
-version = "0.15.2"
+version = "0.15.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bf151400ff0baff5465007dd2f3e717f3fe502074ca563069ce3a6629d07b289"
+checksum = "84b26c544d002229e640969970a2e74021aadf6e2f96372b9c58eff97de08eb3"
 dependencies = [
 "foldhash",
 ]
@@ -1047,9 +1055,9 @@ checksum = "d231dfb89cfffdbc30e7fc41579ed6066ad03abda9e567ccafae602b97ec5024"

 [[package]]
 name = "hermit-abi"
-version = "0.5.0"
+version = "0.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fbd780fe5cc30f81464441920d82ac8740e2e46b29a6fad543ddd075229ce37e"
+checksum = "f154ce46856750ed433c8649605bf7ed2de3bc35fd9d2a9f30cddd873c80cb08"

 [[package]]
 name = "hex"
@@ -1114,14 +1122,12 @@ checksum = "f4c7245a08504955605670dbf141fceab975f15ca21570696aebe9d2e71576bd"

 [[package]]
 name = "insta"
-version = "1.42.2"
+version = "1.43.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "50259abbaa67d11d2bcafc7ba1d094ed7a0c70e3ce893f0d0997f73558cb3084"
+checksum = "154934ea70c58054b556dd430b99a98c2a7ff5309ac9891597e339b5c28f4371"
 dependencies = [
 "console",
- "linked-hash-map",
 "once_cell",
- "pin-project",
 "similar",
 ]

@@ -1134,7 +1140,7 @@ dependencies = [
 "heck",
 "proc-macro2",
 "quote",
- "syn 2.0.100",
+ "syn 2.0.101",
 ]

 [[package]]
@@ -1143,7 +1149,7 @@ version = "0.4.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e04d7f318608d35d4b61ddd75cbdaee86b023ebe2bd5a66ee0915f0bf93095a9"
 dependencies = [
- "hermit-abi 0.5.0",
+ "hermit-abi 0.5.1",
 "libc",
 "windows-sys 0.59.0",
 ]
@@ -1189,9 +1195,9 @@ checksum = "4a5f13b858c8d314ee3e8f639011f7ccefe71f97f96e50151fb991f267928e2c"

 [[package]]
 name = "jiff"
-version = "0.2.5"
+version = "0.2.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c102670231191d07d37a35af3eb77f1f0dbf7a71be51a962dcd57ea607be7260"
+checksum = "f02000660d30638906021176af16b17498bd0d12813dbfe7b276d8bc7f3c0806"
 dependencies = [
 "jiff-static",
 "log",
@@ -1202,13 +1208,13 @@ dependencies = [

 [[package]]
 name = "jiff-static"
-version = "0.2.5"
+version = "0.2.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4cdde31a9d349f1b1f51a0b3714a5940ac022976f4b49485fc04be052b183b4c"
+checksum = "f3c30758ddd7188629c6713fc45d1188af4f44c90582311d0c8d8c9907f60c48"
 dependencies = [
 "proc-macro2",
 "quote",
- "syn 2.0.100",
+ "syn 2.0.101",
 ]

 [[package]]
@@ -1290,15 +1296,15 @@ checksum = "0864a00c8d019e36216b69c2c4ce50b83b7bd966add3cf5ba554ec44f8bebcf5"

 [[package]]
 name = "libc"
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+version = "0.2.172"
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-checksum = "c19937216e9d3aa9956d9bb8dfc0b0c8beb6058fc4f7a4dc4d850edf86a237d6"
+checksum = "d750af042f7ef4f724306de029d18836c26c1765a54a6a3f094cbd23a7267ffa"

 [[package]]
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-version = "4.0.0"
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-checksum = "4a9434b6fc77375fb624698d5f8c49d7e80b10d59eb1219afda27d1f824d4074"
+checksum = "ebfd30a67b482a08116e753d0656cb626548cf4242543e5cc005be7639d99838"
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 "libffi-sys",
@@ -1306,9 +1312,9 @@ dependencies = [

 [[package]]
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+version = "3.3.1"
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@@ -1325,9 +1331,9 @@ dependencies = [

 [[package]]
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+checksum = "f9fbbcab51052fe104eb5e5d351cf728d30a5be1fe14d9be8a3b097481fb97de"

 [[package]]
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@@ -1359,17 +1365,11 @@ dependencies = [
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-[[package]]
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-
 [[package]]
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+checksum = "cd945864f07fe9f5371a27ad7b52a172b4b499999f1d97574c9fa68373937e12"

 [[package]]
 name = "lock_api"
@@ -1396,6 +1396,17 @@ dependencies = [
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 ]

+[[package]]
+name = "lzma-sys"
+version = "0.1.20"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5fda04ab3764e6cde78b9974eec4f779acaba7c4e84b36eca3cf77c581b85d27"
+dependencies = [
+ "cc",
+ "libc",
+ "pkg-config",
+]
+
 [[package]]
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 version = "1.1.8"
@@ -1516,9 +1527,9 @@ checksum = "68354c5c6bd36d73ff3feceb05efa59b6acb7626617f4962be322a825e61f79a"

 [[package]]
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+version = "0.8.8"
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-checksum = "ff70ce3e48ae43fa075863cef62e8b43b71a4f2382229920e0df362592919430"
+checksum = "3be647b768db090acb35d5ec5db2b0e1f1de11133ca123b9eacf5137868f892a"
 dependencies = [
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@@ -1618,7 +1629,7 @@ checksum = "af1844ef2428cc3e1cb900be36181049ef3d3193c63e43026cfe202983b27a56"
 dependencies = [
 "proc-macro2",
 "quote",
- "syn 2.0.100",
+ "syn 2.0.101",
 ]

 [[package]]
@@ -1656,7 +1667,7 @@ checksum = "a948666b637a0f465e8564c73e89d4dde00d72d4d473cc972f390fc3dcee7d9c"
 dependencies = [
 "proc-macro2",
 "quote",
- "syn 2.0.100",
+ "syn 2.0.101",
 ]

 [[package]]
@@ -1667,18 +1678,18 @@ checksum = "d05e27ee213611ffe7d6348b942e8f942b37114c00cc03cec254295a4a17852e"

 [[package]]
 name = "openssl-src"
-version = "300.4.2+3.4.1"
+version = "300.5.0+3.5.0"
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-checksum = "168ce4e058f975fe43e89d9ccf78ca668601887ae736090aacc23ae353c298e2"
+checksum = "e8ce546f549326b0e6052b649198487d91320875da901e7bd11a06d1ee3f9c2f"
 dependencies = [
 "cc",
 ]

 [[package]]
 name = "openssl-sys"
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+version = "0.9.108"
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-checksum = "8288979acd84749c744a9014b4382d42b8f7b2592847b5afb2ed29e5d16ede07"
+checksum = "e145e1651e858e820e4860f7b9c5e169bc1d8ce1c86043be79fa7b7634821847"
 dependencies = [
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 "libc",
@@ -1721,7 +1732,7 @@ checksum = "1e401f977ab385c9e4e3ab30627d6f26d00e2c73eef317493c4ec6d468726cf8"
 dependencies = [
 "cfg-if",
 "libc",
- "redox_syscall 0.5.11",
+ "redox_syscall 0.5.12",
 "smallvec",
 "windows-targets 0.52.6",
 ]
@@ -1770,26 +1781,6 @@ dependencies = [
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 ]

-[[package]]
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-version = "1.1.10"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "677f1add503faace112b9f1373e43e9e054bfdd22ff1a63c1bc485eaec6a6a8a"
-dependencies = [
- "pin-project-internal",
-]
-
-[[package]]
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-dependencies = [
- "proc-macro2",
- "quote",
- "syn 2.0.100",
-]
-
 [[package]]
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 version = "0.3.32"
@@ -1832,7 +1823,7 @@ checksum = "52a40bc70c2c58040d2d8b167ba9a5ff59fc9dab7ad44771cfde3dcfde7a09c6"
 dependencies = [
 "proc-macro2",
 "quote",
- "syn 2.0.100",
+ "syn 2.0.101",
 ]

 [[package]]
@@ -1856,7 +1847,7 @@ version = "0.2.21"
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 checksum = "85eae3c4ed2f50dcfe72643da4befc30deadb458a9b590d720cde2f2b1e97da9"
 dependencies = [
- "zerocopy 0.8.24",
+ "zerocopy",
 ]

 [[package]]
@@ -1866,14 +1857,14 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "664ec5419c51e34154eec046ebcba56312d5a2fc3b09a06da188e1ad21afadf6"
 dependencies = [
 "proc-macro2",
- "syn 2.0.100",
+ "syn 2.0.101",
 ]

 [[package]]
 name = "proc-macro2"
-version = "1.0.94"
+version = "1.0.95"
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-checksum = "a31971752e70b8b2686d7e46ec17fb38dad4051d94024c88df49b667caea9c84"
+checksum = "02b3e5e68a3a1a02aad3ec490a98007cbc13c37cbe84a3cd7b8e406d76e7f778"
 dependencies = [
 "unicode-ident",
 ]
@@ -1889,9 +1880,9 @@ dependencies = [

 [[package]]
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-version = "0.24.1"
+version = "0.24.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "17da310086b068fbdcefbba30aeb3721d5bb9af8db4987d6735b2183ca567229"
+checksum = "e5203598f366b11a02b13aa20cab591229ff0a89fd121a308a5df751d5fc9219"
 dependencies = [
 "cfg-if",
 "indoc",
@@ -1907,9 +1898,9 @@ dependencies = [

 [[package]]
 name = "pyo3-build-config"
-version = "0.24.1"
+version = "0.24.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e27165889bd793000a098bb966adc4300c312497ea25cf7a690a9f0ac5aa5fc1"
+checksum = "99636d423fa2ca130fa5acde3059308006d46f98caac629418e53f7ebb1e9999"
 dependencies = [
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 "target-lexicon",
@@ -1917,9 +1908,9 @@ dependencies = [

 [[package]]
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-version = "0.24.1"
+version = "0.24.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "05280526e1dbf6b420062f3ef228b78c0c54ba94e157f5cb724a609d0f2faabc"
+checksum = "78f9cf92ba9c409279bc3305b5409d90db2d2c22392d443a87df3a1adad59e33"
 dependencies = [
 "libc",
 "pyo3-build-config",
@@ -1927,27 +1918,27 @@ dependencies = [

 [[package]]
 name = "pyo3-macros"
-version = "0.24.1"
+version = "0.24.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5c3ce5686aa4d3f63359a5100c62a127c9f15e8398e5fdeb5deef1fed5cd5f44"
+checksum = "0b999cb1a6ce21f9a6b147dcf1be9ffedf02e0043aec74dc390f3007047cecd9"
 dependencies = [
 "proc-macro2",
 "pyo3-macros-backend",
 "quote",
- "syn 2.0.100",
+ "syn 2.0.101",
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 [[package]]
 name = "pyo3-macros-backend"
-version = "0.24.1"
+version = "0.24.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f4cf6faa0cbfb0ed08e89beb8103ae9724eb4750e3a78084ba4017cbe94f3855"
+checksum = "822ece1c7e1012745607d5cf0bcb2874769f0f7cb34c4cde03b9358eb9ef911a"
 dependencies = [
 "heck",
 "proc-macro2",
 "pyo3-build-config",
 "quote",
- "syn 2.0.100",
+ "syn 2.0.101",
 ]

 [[package]]
@@ -1968,8 +1959,7 @@ checksum = "74765f6d916ee2faa39bc8e68e4f3ed8949b48cccdac59983d287a7cb71ce9c5"
 [[package]]
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-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "db0b76288902db304c864a12046b73d2d895cc34a4bb8137baaeebe9978a072c"
+source = "git+https://github.com/youknowone/ferrilab?branch=fix-nightly#4a301c3a223e096626a2773d1a1eed1fc4e21140"
 dependencies = [
 "cfg-if",
 ]
@@ -1997,13 +1987,12 @@ dependencies = [

 [[package]]
 name = "rand"
-version = "0.9.0"
+version = "0.9.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3779b94aeb87e8bd4e834cee3650289ee9e0d5677f976ecdb6d219e5f4f6cd94"
+checksum = "9fbfd9d094a40bf3ae768db9361049ace4c0e04a4fd6b359518bd7b73a73dd97"
 dependencies = [
 "rand_chacha 0.9.0",
 "rand_core 0.9.3",
- "zerocopy 0.8.24",
 ]

 [[package]]
@@ -2032,7 +2021,7 @@ version = "0.6.4"
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 checksum = "ec0be4795e2f6a28069bec0b5ff3e2ac9bafc99e6a9a7dc3547996c5c816922c"
 dependencies = [
- "getrandom 0.2.15",
+ "getrandom 0.2.16",
 ]

 [[package]]
@@ -2072,9 +2061,9 @@ checksum = "41cc0f7e4d5d4544e8861606a285bb08d3e70712ccc7d2b84d7c0ccfaf4b05ce"

 [[package]]
 name = "redox_syscall"
-version = "0.5.11"
+version = "0.5.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d2f103c6d277498fbceb16e84d317e2a400f160f46904d5f5410848c829511a3"
+checksum = "928fca9cf2aa042393a8325b9ead81d2f0df4cb12e1e24cef072922ccd99c5af"
 dependencies = [
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 ]
@@ -2085,7 +2074,7 @@ version = "0.4.6"
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 checksum = "ba009ff324d1fc1b900bd1fdb31564febe58a8ccc8a6fdbb93b543d33b13ca43"
 dependencies = [
- "getrandom 0.2.15",
+ "getrandom 0.2.16",
 "libredox",
 "thiserror 1.0.69",
 ]
@@ -2163,7 +2152,7 @@ dependencies = [
 "pmutil",
 "proc-macro2",
 "quote",
- "syn 2.0.100",
+ "syn 2.0.101",
 ]

 [[package]]
@@ -2235,9 +2224,9 @@ checksum = "357703d41365b4b27c590e3ed91eabb1b663f07c4c084095e60cbed4362dff0d"

 [[package]]
 name = "rustix"
-version = "1.0.5"
+version = "1.0.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d97817398dd4bb2e6da002002db259209759911da105da92bec29ccb12cf58bf"
+checksum = "c71e83d6afe7ff64890ec6b71d6a69bb8a610ab78ce364b3352876bb4c801266"
 dependencies = [
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 "errno",
@@ -2326,7 +2315,7 @@ dependencies = [
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 version = "0.4.0"
 dependencies = [
- "rand 0.9.0",
+ "rand 0.9.1",
 "ruff_python_ast",
 "ruff_python_parser",
 "ruff_source_file",
@@ -2366,7 +2355,7 @@ dependencies = [
 "proc-macro2",
 "rustpython-compiler",
 "rustpython-derive-impl",
- "syn 2.0.100",
+ "syn 2.0.101",
 ]

 [[package]]
@@ -2379,7 +2368,7 @@ dependencies = [
 "quote",
 "rustpython-compiler-core",
 "rustpython-doc",
- "syn 2.0.100",
+ "syn 2.0.101",
 "syn-ext",
 "textwrap",
 ]
@@ -2415,7 +2404,7 @@ dependencies = [
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 "lexical-parse-float",
 "num-traits",
- "rand 0.9.0",
+ "rand 0.9.1",
 "rustpython-wtf8",
 "unic-ucd-category",
 ]
@@ -2467,6 +2456,7 @@ dependencies = [
 "libc",
 "libsqlite3-sys",
 "libz-rs-sys",
+ "lzma-sys",
 "mac_address",
 "malachite-bigint",
 "md-5",
@@ -2512,6 +2502,7 @@ dependencies = [
 "widestring",
 "windows-sys 0.59.0",
 "xml-rs",
+ "xz2",
 ]

 [[package]]
@@ -2609,7 +2600,6 @@ name = "rustpython_wasm"
 version = "0.4.0"
 dependencies = [
 "console_error_panic_hook",
- "getrandom 0.2.15",
 "js-sys",
 "ruff_python_parser",
 "rustpython-common",
@@ -2710,7 +2700,7 @@ checksum = "5b0276cf7f2c73365f7157c8123c21cd9a50fbbd844757af28ca1f5925fc2a00"
 dependencies = [
 "proc-macro2",
 "quote",
- "syn 2.0.100",
+ "syn 2.0.101",
 ]

 [[package]]
@@ -2738,9 +2728,9 @@ dependencies = [

 [[package]]
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-version = "0.10.8"
+version = "0.10.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "793db75ad2bcafc3ffa7c68b215fee268f537982cd901d132f89c6343f3a3dc8"
+checksum = "a7507d819769d01a365ab707794a4084392c824f54a7a6a7862f8c3d0892b283"
 dependencies = [
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@@ -2827,7 +2817,7 @@ dependencies = [
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 "quote",
 "rustversion",
- "syn 2.0.100",
+ "syn 2.0.101",
 ]

 [[package]]
@@ -2849,9 +2839,9 @@ dependencies = [

 [[package]]
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-version = "2.0.100"
+version = "2.0.101"
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-checksum = "b09a44accad81e1ba1cd74a32461ba89dee89095ba17b32f5d03683b1b1fc2a0"
+checksum = "8ce2b7fc941b3a24138a0a7cf8e858bfc6a992e7978a068a5c760deb0ed43caf"
 dependencies = [
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@@ -2866,7 +2856,7 @@ checksum = "b126de4ef6c2a628a68609dd00733766c3b015894698a438ebdf374933fc31d1"
 dependencies = [
 "proc-macro2",
 "quote",
- "syn 2.0.100",
+ "syn 2.0.101",
 ]

 [[package]]
@@ -2946,7 +2936,7 @@ checksum = "4fee6c4efc90059e10f81e6d42c60a18f76588c3d74cb83a0b242a2b6c7504c1"
 dependencies = [
 "proc-macro2",
 "quote",
- "syn 2.0.100",
+ "syn 2.0.101",
 ]

 [[package]]
@@ -2957,7 +2947,7 @@ checksum = "7f7cf42b4507d8ea322120659672cf1b9dbb93f8f2d4ecfd6e51350ff5b17a1d"
 dependencies = [
 "proc-macro2",
 "quote",
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+ "syn 2.0.101",
 ]

 [[package]]
@@ -3298,7 +3288,7 @@ dependencies = [
 "log",
 "proc-macro2",
 "quote",
- "syn 2.0.100",
+ "syn 2.0.101",
 "wasm-bindgen-shared",
 ]

@@ -3333,7 +3323,7 @@ checksum = "8ae87ea40c9f689fc23f209965b6fb8a99ad69aeeb0231408be24920604395de"
 dependencies = [
 "proc-macro2",
 "quote",
- "syn 2.0.100",
+ "syn 2.0.101",
 "wasm-bindgen-backend",
 "wasm-bindgen-shared",
 ]
@@ -3349,9 +3339,9 @@ dependencies = [

 [[package]]
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+version = "32.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
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+checksum = "eb399eaabd7594f695e1159d236bf40ef55babcb3af97f97c027864ed2104db6"
 dependencies = [
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 "cfg-if",
@@ -3458,7 +3448,7 @@ checksum = "a47fddd13af08290e67f4acabf4b459f647552718f683a7b415d290ac744a836"
 dependencies = [
 "proc-macro2",
 "quote",
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+ "syn 2.0.101",
 ]

 [[package]]
@@ -3469,7 +3459,7 @@ checksum = "bd9211b69f8dcdfa817bfd14bf1c97c9188afa36f4750130fcdf3f400eca9fa8"
 dependencies = [
 "proc-macro2",
 "quote",
- "syn 2.0.100",
+ "syn 2.0.101",
 ]

 [[package]]
@@ -3671,48 +3661,37 @@ dependencies = [

 [[package]]
 name = "xml-rs"
+version = "0.8.26"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a62ce76d9b56901b19a74f19431b0d8b3bc7ca4ad685a746dfd78ca8f4fc6bda"
+
+[[package]]
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "388c44dc09d76f1536602ead6d325eb532f5c122f17782bd57fb47baeeb767e2"
+dependencies = [
+ "lzma-sys",
+]
+
+[[package]]
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 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c5b940ebc25896e71dd073bad2dbaa2abfe97b0a391415e22ad1326d9c54e3c4"
-
-[[package]]
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+checksum = "a1702d9583232ddb9174e01bb7c15a2ab8fb1bc6f227aa1233858c351a3ba0cb"
 dependencies = [
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-dependencies = [
- "zerocopy-derive 0.8.24",
+ "zerocopy-derive",
 ]

 [[package]]
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+version = "0.8.25"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fa4f8080344d4671fb4e831a13ad1e68092748387dfc4f55e356242fae12ce3e"
+checksum = "28a6e20d751156648aa063f3800b706ee209a32c0b4d9f24be3d980b01be55ef"
 dependencies = [
 "proc-macro2",
 "quote",
- "syn 2.0.100",
-]
-
-[[package]]
-name = "zerocopy-derive"
-version = "0.8.24"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a996a8f63c5c4448cd959ac1bab0aaa3306ccfd060472f85943ee0750f0169be"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn 2.0.100",
+ "syn 2.0.101",
 ]

 [[package]]
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -79,6 +79,7 @@ opt-level = 3
 lto = "thin"

 [patch.crates-io]
+radium = { version = "1.1.0", git = "https://github.com/youknowone/ferrilab", branch = "fix-nightly" }
 # REDOX START, Uncomment when you want to compile/check with redoxer
 # REDOX END

@@ -186,6 +187,7 @@ paste = "1.0.15"
 proc-macro2 = "1.0.93"
 pymath = "0.0.2"
 quote = "1.0.38"
+radium = "1.1"
 rand = "0.9"
 rand_core = { version = "0.9", features = ["os_rng"] }
 rustix = { version = "1.0", features = ["event"] }
--- a/Lib/codeop.py
+++ b/Lib/codeop.py
@@ -65,14 +65,10 @@ def _maybe_compile(compiler, source, filename, symbol):
            try:
                compiler(source + "\n", filename, symbol)
                return None
+            except _IncompleteInputError as e:
+                return None
            except SyntaxError as e:
-                # XXX: RustPython; support multiline definitions in REPL
-                # See also: https://github.com/RustPython/RustPython/pull/5743
-                strerr = str(e)
-                if source.endswith(":") and "expected an indented block" in strerr:
-                    return None
-                elif "incomplete input" in str(e):
-                    return None
+                pass
                # fallthrough

    return compiler(source, filename, symbol, incomplete_input=False)
--- a/Lib/lzma.py
+++ b/Lib/lzma.py
@@ -0,0 +1,364 @@
+"""Interface to the liblzma compression library.
+
+This module provides a class for reading and writing compressed files,
+classes for incremental (de)compression, and convenience functions for
+one-shot (de)compression.
+
+These classes and functions support both the XZ and legacy LZMA
+container formats, as well as raw compressed data streams.
+"""
+
+__all__ = [
+    "CHECK_NONE", "CHECK_CRC32", "CHECK_CRC64", "CHECK_SHA256",
+    "CHECK_ID_MAX", "CHECK_UNKNOWN",
+    "FILTER_LZMA1", "FILTER_LZMA2", "FILTER_DELTA", "FILTER_X86", "FILTER_IA64",
+    "FILTER_ARM", "FILTER_ARMTHUMB", "FILTER_POWERPC", "FILTER_SPARC",
+    "FORMAT_AUTO", "FORMAT_XZ", "FORMAT_ALONE", "FORMAT_RAW",
+    "MF_HC3", "MF_HC4", "MF_BT2", "MF_BT3", "MF_BT4",
+    "MODE_FAST", "MODE_NORMAL", "PRESET_DEFAULT", "PRESET_EXTREME",
+
+    "LZMACompressor", "LZMADecompressor", "LZMAFile", "LZMAError",
+    "open", "compress", "decompress", "is_check_supported",
+]
+
+import builtins
+import io
+import os
+from _lzma import *
+from _lzma import _encode_filter_properties, _decode_filter_properties
+import _compression
+
+
+# Value 0 no longer used
+_MODE_READ     = 1
+# Value 2 no longer used
+_MODE_WRITE    = 3
+
+
+class LZMAFile(_compression.BaseStream):
+
+    """A file object providing transparent LZMA (de)compression.
+
+    An LZMAFile can act as a wrapper for an existing file object, or
+    refer directly to a named file on disk.
+
+    Note that LZMAFile provides a *binary* file interface - data read
+    is returned as bytes, and data to be written must be given as bytes.
+    """
+
+    def __init__(self, filename=None, mode="r", *,
+                 format=None, check=-1, preset=None, filters=None):
+        """Open an LZMA-compressed file in binary mode.
+
+        filename can be either an actual file name (given as a str,
+        bytes, or PathLike object), in which case the named file is
+        opened, or it can be an existing file object to read from or
+        write to.
+
+        mode can be "r" for reading (default), "w" for (over)writing,
+        "x" for creating exclusively, or "a" for appending. These can
+        equivalently be given as "rb", "wb", "xb" and "ab" respectively.
+
+        format specifies the container format to use for the file.
+        If mode is "r", this defaults to FORMAT_AUTO. Otherwise, the
+        default is FORMAT_XZ.
+
+        check specifies the integrity check to use. This argument can
+        only be used when opening a file for writing. For FORMAT_XZ,
+        the default is CHECK_CRC64. FORMAT_ALONE and FORMAT_RAW do not
+        support integrity checks - for these formats, check must be
+        omitted, or be CHECK_NONE.
+
+        When opening a file for reading, the *preset* argument is not
+        meaningful, and should be omitted. The *filters* argument should
+        also be omitted, except when format is FORMAT_RAW (in which case
+        it is required).
+
+        When opening a file for writing, the settings used by the
+        compressor can be specified either as a preset compression
+        level (with the *preset* argument), or in detail as a custom
+        filter chain (with the *filters* argument). For FORMAT_XZ and
+        FORMAT_ALONE, the default is to use the PRESET_DEFAULT preset
+        level. For FORMAT_RAW, the caller must always specify a filter
+        chain; the raw compressor does not support preset compression
+        levels.
+
+        preset (if provided) should be an integer in the range 0-9,
+        optionally OR-ed with the constant PRESET_EXTREME.
+
+        filters (if provided) should be a sequence of dicts. Each dict
+        should have an entry for "id" indicating ID of the filter, plus
+        additional entries for options to the filter.
+        """
+        self._fp = None
+        self._closefp = False
+        self._mode = None
+
+        if mode in ("r", "rb"):
+            if check != -1:
+                raise ValueError("Cannot specify an integrity check "
+                                 "when opening a file for reading")
+            if preset is not None:
+                raise ValueError("Cannot specify a preset compression "
+                                 "level when opening a file for reading")
+            if format is None:
+                format = FORMAT_AUTO
+            mode_code = _MODE_READ
+        elif mode in ("w", "wb", "a", "ab", "x", "xb"):
+            if format is None:
+                format = FORMAT_XZ
+            mode_code = _MODE_WRITE
+            self._compressor = LZMACompressor(format=format, check=check,
+                                              preset=preset, filters=filters)
+            self._pos = 0
+        else:
+            raise ValueError("Invalid mode: {!r}".format(mode))
+
+        if isinstance(filename, (str, bytes, os.PathLike)):
+            if "b" not in mode:
+                mode += "b"
+            self._fp = builtins.open(filename, mode)
+            self._closefp = True
+            self._mode = mode_code
+        elif hasattr(filename, "read") or hasattr(filename, "write"):
+            self._fp = filename
+            self._mode = mode_code
+        else:
+            raise TypeError("filename must be a str, bytes, file or PathLike object")
+
+        if self._mode == _MODE_READ:
+            raw = _compression.DecompressReader(self._fp, LZMADecompressor,
+                                                trailing_error=LZMAError, format=format, filters=filters)
+            self._buffer = io.BufferedReader(raw)
+
+    def close(self):
+        """Flush and close the file.
+
+        May be called more than once without error. Once the file is
+        closed, any other operation on it will raise a ValueError.
+        """
+        if self.closed:
+            return
+        try:
+            if self._mode == _MODE_READ:
+                self._buffer.close()
+                self._buffer = None
+            elif self._mode == _MODE_WRITE:
+                self._fp.write(self._compressor.flush())
+                self._compressor = None
+        finally:
+            try:
+                if self._closefp:
+                    self._fp.close()
+            finally:
+                self._fp = None
+                self._closefp = False
+
+    @property
+    def closed(self):
+        """True if this file is closed."""
+        return self._fp is None
+
+    @property
+    def name(self):
+        self._check_not_closed()
+        return self._fp.name
+
+    @property
+    def mode(self):
+        return 'wb' if self._mode == _MODE_WRITE else 'rb'
+
+    def fileno(self):
+        """Return the file descriptor for the underlying file."""
+        self._check_not_closed()
+        return self._fp.fileno()
+
+    def seekable(self):
+        """Return whether the file supports seeking."""
+        return self.readable() and self._buffer.seekable()
+
+    def readable(self):
+        """Return whether the file was opened for reading."""
+        self._check_not_closed()
+        return self._mode == _MODE_READ
+
+    def writable(self):
+        """Return whether the file was opened for writing."""
+        self._check_not_closed()
+        return self._mode == _MODE_WRITE
+
+    def peek(self, size=-1):
+        """Return buffered data without advancing the file position.
+
+        Always returns at least one byte of data, unless at EOF.
+        The exact number of bytes returned is unspecified.
+        """
+        self._check_can_read()
+        # Relies on the undocumented fact that BufferedReader.peek() always
+        # returns at least one byte (except at EOF)
+        return self._buffer.peek(size)
+
+    def read(self, size=-1):
+        """Read up to size uncompressed bytes from the file.
+
+        If size is negative or omitted, read until EOF is reached.
+        Returns b"" if the file is already at EOF.
+        """
+        self._check_can_read()
+        return self._buffer.read(size)
+
+    def read1(self, size=-1):
+        """Read up to size uncompressed bytes, while trying to avoid
+        making multiple reads from the underlying stream. Reads up to a
+        buffer's worth of data if size is negative.
+
+        Returns b"" if the file is at EOF.
+        """
+        self._check_can_read()
+        if size < 0:
+            size = io.DEFAULT_BUFFER_SIZE
+        return self._buffer.read1(size)
+
+    def readline(self, size=-1):
+        """Read a line of uncompressed bytes from the file.
+
+        The terminating newline (if present) is retained. If size is
+        non-negative, no more than size bytes will be read (in which
+        case the line may be incomplete). Returns b'' if already at EOF.
+        """
+        self._check_can_read()
+        return self._buffer.readline(size)
+
+    def write(self, data):
+        """Write a bytes object to the file.
+
+        Returns the number of uncompressed bytes written, which is
+        always the length of data in bytes. Note that due to buffering,
+        the file on disk may not reflect the data written until close()
+        is called.
+        """
+        self._check_can_write()
+        if isinstance(data, (bytes, bytearray)):
+            length = len(data)
+        else:
+            # accept any data that supports the buffer protocol
+            data = memoryview(data)
+            length = data.nbytes
+
+        compressed = self._compressor.compress(data)
+        self._fp.write(compressed)
+        self._pos += length
+        return length
+
+    def seek(self, offset, whence=io.SEEK_SET):
+        """Change the file position.
+
+        The new position is specified by offset, relative to the
+        position indicated by whence. Possible values for whence are:
+
+            0: start of stream (default): offset must not be negative
+            1: current stream position
+            2: end of stream; offset must not be positive
+
+        Returns the new file position.
+
+        Note that seeking is emulated, so depending on the parameters,
+        this operation may be extremely slow.
+        """
+        self._check_can_seek()
+        return self._buffer.seek(offset, whence)
+
+    def tell(self):
+        """Return the current file position."""
+        self._check_not_closed()
+        if self._mode == _MODE_READ:
+            return self._buffer.tell()
+        return self._pos
+
+
+def open(filename, mode="rb", *,
+         format=None, check=-1, preset=None, filters=None,
+         encoding=None, errors=None, newline=None):
+    """Open an LZMA-compressed file in binary or text mode.
+
+    filename can be either an actual file name (given as a str, bytes,
+    or PathLike object), in which case the named file is opened, or it
+    can be an existing file object to read from or write to.
+
+    The mode argument can be "r", "rb" (default), "w", "wb", "x", "xb",
+    "a", or "ab" for binary mode, or "rt", "wt", "xt", or "at" for text
+    mode.
+
+    The format, check, preset and filters arguments specify the
+    compression settings, as for LZMACompressor, LZMADecompressor and
+    LZMAFile.
+
+    For binary mode, this function is equivalent to the LZMAFile
+    constructor: LZMAFile(filename, mode, ...). In this case, the
+    encoding, errors and newline arguments must not be provided.
+
+    For text mode, an LZMAFile object is created, and wrapped in an
+    io.TextIOWrapper instance with the specified encoding, error
+    handling behavior, and line ending(s).
+
+    """
+    if "t" in mode:
+        if "b" in mode:
+            raise ValueError("Invalid mode: %r" % (mode,))
+    else:
+        if encoding is not None:
+            raise ValueError("Argument 'encoding' not supported in binary mode")
+        if errors is not None:
+            raise ValueError("Argument 'errors' not supported in binary mode")
+        if newline is not None:
+            raise ValueError("Argument 'newline' not supported in binary mode")
+
+    lz_mode = mode.replace("t", "")
+    binary_file = LZMAFile(filename, lz_mode, format=format, check=check,
+                           preset=preset, filters=filters)
+
+    if "t" in mode:
+        encoding = io.text_encoding(encoding)
+        return io.TextIOWrapper(binary_file, encoding, errors, newline)
+    else:
+        return binary_file
+
+
+def compress(data, format=FORMAT_XZ, check=-1, preset=None, filters=None):
+    """Compress a block of data.
+
+    Refer to LZMACompressor's docstring for a description of the
+    optional arguments *format*, *check*, *preset* and *filters*.
+
+    For incremental compression, use an LZMACompressor instead.
+    """
+    comp = LZMACompressor(format, check, preset, filters)
+    return comp.compress(data) + comp.flush()
+
+
+def decompress(data, format=FORMAT_AUTO, memlimit=None, filters=None):
+    """Decompress a block of data.
+
+    Refer to LZMADecompressor's docstring for a description of the
+    optional arguments *format*, *check* and *filters*.
+
+    For incremental decompression, use an LZMADecompressor instead.
+    """
+    results = []
+    while True:
+        decomp = LZMADecompressor(format, memlimit, filters)
+        try:
+            res = decomp.decompress(data)
+        except LZMAError:
+            if results:
+                break  # Leftover data is not a valid LZMA/XZ stream; ignore it.
+            else:
+                raise  # Error on the first iteration; bail out.
+        results.append(res)
+        if not decomp.eof:
+            raise LZMAError("Compressed data ended before the "
+                            "end-of-stream marker was reached")
+        data = decomp.unused_data
+        if not data:
+            break
+    return b"".join(results)
--- a/Lib/tarfile.py
+++ b/Lib/tarfile.py
@@ -395,6 +395,10 @@ class _Stream:
                    import lzma
                except ImportError:
                    raise CompressionError("lzma module is not available") from None
+
+                # XXX: RUSTPYTHON; xz is not supported yet
+                raise CompressionError("lzma module is not available") from None
+
                if mode == "r":
                    self.dbuf = b""
                    self.cmp = lzma.LZMADecompressor()
@@ -1927,6 +1931,9 @@ class TarFile(object):
        except ImportError:
            raise CompressionError("lzma module is not available") from None

+        # XXX: RUSTPYTHON; xz is not supported yet
+        raise CompressionError("lzma module is not available") from None
+
        fileobj = LZMAFile(fileobj or name, mode, preset=preset)

        try:
--- a/Lib/test/support/init.py
+++ b/Lib/test/support/init.py
@@ -498,6 +498,8 @@ def requires_lzma(reason='requires lzma'):
        import lzma
    except ImportError:
        lzma = None
+    # XXX: RUSTPYTHON; xz is not supported yet
+    lzma = None
    return unittest.skipUnless(lzma, reason)

 def has_no_debug_ranges():
--- a/Lib/test/test_baseexception.py
+++ b/Lib/test/test_baseexception.py
@@ -83,6 +83,8 @@ class ExceptionClassTests(unittest.TestCase):
        exc_set = set(e for e in exc_set if not e.startswith('_'))
        # RUSTPYTHON specific
        exc_set.discard("JitError")
+        # TODO: RUSTPYTHON; this will be officially introduced in Python 3.15
+        exc_set.discard("IncompleteInputError")
        self.assertEqual(len(exc_set), 0, "%s not accounted for" % exc_set)

    interface_tests = ("length", "args", "str", "repr")
--- a/Lib/test/test_lzma.py
+++ b/Lib/test/test_lzma.py
--- a/Lib/test/test_pickle.py
+++ b/Lib/test/test_pickle.py
@@ -664,6 +664,9 @@ class CompatPickleTests(unittest.TestCase):
                           BaseExceptionGroup,
                           ExceptionGroup):
                    continue
+                # TODO: RUSTPYTHON: fix name mapping for _IncompleteInputError
+                if exc is _IncompleteInputError:
+                    continue
                if exc is not OSError and issubclass(exc, OSError):
                    self.assertEqual(reverse_mapping('builtins', name),
                                     ('exceptions', 'OSError'))
--- a/Lib/test/test_tarfile.py
+++ b/Lib/test/test_tarfile.py
@@ -31,6 +31,8 @@ try:
    import lzma
 except ImportError:
    lzma = None
+# XXX: RUSTPYTHON; xz is not supported yet
+lzma = None

 def sha256sum(data):
    return sha256(data).hexdigest()
--- a/Lib/test/test_zoneinfo/test_zoneinfo.py
+++ b/Lib/test/test_zoneinfo/test_zoneinfo.py
@@ -1728,6 +1728,8 @@ class TzPathTest(TzPathUserMixin, ZoneInfoTestBase):
                with self.subTest("filtered", path_var=path_var):
                    self.assertSequenceEqual(tzpath, expected_paths)

+    # TODO: RUSTPYTHON
+    @unittest.expectedFailure
    def test_env_variable_relative_paths_warning_location(self):
        path_var = "path/to/somewhere"

@@ -1822,6 +1824,8 @@ class TestModule(ZoneInfoTestBase):
        with self.assertRaises(AttributeError):
            self.module.NOATTRIBUTE

+    # TODO: RUSTPYTHON
+    @unittest.expectedFailure
    def test_dir_contains_all(self):
        """dir(self.module) should at least contain everything in __all__."""
        module_all_set = set(self.module.__all__)
@@ -1925,12 +1929,16 @@ class ExtensionBuiltTest(unittest.TestCase):
    rely on these tests as an indication of stable properties of these classes.
    """

+    # TODO: RUSTPYTHON
+    @unittest.expectedFailure
    def test_cache_location(self):
        # The pure Python version stores caches on attributes, but the C
        # extension stores them in C globals (at least for now)
        self.assertFalse(hasattr(c_zoneinfo.ZoneInfo, "_weak_cache"))
        self.assertTrue(hasattr(py_zoneinfo.ZoneInfo, "_weak_cache"))

+    # TODO: RUSTPYTHON
+    @unittest.expectedFailure
    def test_gc_tracked(self):
        import gc

--- a/README.md
+++ b/README.md
@@ -31,6 +31,11 @@ To build RustPython locally, first, clone the source code:
 git clone https://github.com/RustPython/RustPython
 ```

+RustPython uses symlinks to manage python libraries in `Lib/`. If on windows, running the following helps:
+```bash
+git config core.symlinks true
+```
+
 Then you can change into the RustPython directory and run the demo (Note: `--release` is
 needed to prevent stack overflow on Windows):

@@ -221,7 +226,7 @@ To enhance CPython compatibility, try to increase unittest coverage by checking
 Another approach is to checkout the source code: builtin functions and object
 methods are often the simplest and easiest way to contribute.

-You can also simply run `./whats_left.py` to assist in finding any unimplemented
+You can also simply run `uv run python -I whats_left.py` to assist in finding any unimplemented
 method.

 ## Compiling to WebAssembly
--- a/common/Cargo.toml
+++ b/common/Cargo.toml
@@ -30,9 +30,9 @@ num-traits = { workspace = true }
 once_cell = { workspace = true }
 parking_lot = { workspace = true, optional = true }
 unicode_names2 = { workspace = true }
+radium = { workspace = true }

 lock_api = "0.4"
-radium = "1.1"
 siphasher = "1"

 [target.'cfg(windows)'.dependencies]
--- a/compiler/codegen/src/compile.rs
+++ b/compiler/codegen/src/compile.rs
@@ -151,7 +151,7 @@ pub fn compile_program(
    let mut compiler = Compiler::new(opts, source_code, "<module>".to_owned());
    compiler.compile_program(ast, symbol_table)?;
    let code = compiler.pop_code_object();
-    trace!("Compilation completed: {:?}", code);
+    trace!("Compilation completed: {code:?}");
    Ok(code)
 }

@@ -166,7 +166,7 @@ pub fn compile_program_single(
    let mut compiler = Compiler::new(opts, source_code, "<module>".to_owned());
    compiler.compile_program_single(&ast.body, symbol_table)?;
    let code = compiler.pop_code_object();
-    trace!("Compilation completed: {:?}", code);
+    trace!("Compilation completed: {code:?}");
    Ok(code)
 }

@@ -180,7 +180,7 @@ pub fn compile_block_expression(
    let mut compiler = Compiler::new(opts, source_code, "<module>".to_owned());
    compiler.compile_block_expr(&ast.body, symbol_table)?;
    let code = compiler.pop_code_object();
-    trace!("Compilation completed: {:?}", code);
+    trace!("Compilation completed: {code:?}");
    Ok(code)
 }

@@ -233,7 +233,7 @@ fn eprint_location(zelf: &Compiler<'_>) {
 fn unwrap_internal<T>(zelf: &Compiler<'_>, r: InternalResult<T>) -> T {
    if let Err(ref r_err) = r {
        eprintln!("=== CODEGEN PANIC INFO ===");
-        eprintln!("This IS an internal error: {}", r_err);
+        eprintln!("This IS an internal error: {r_err}");
        eprint_location(zelf);
        eprintln!("=== END PANIC INFO ===");
    }
@@ -671,7 +671,7 @@ impl Compiler<'_> {

    fn compile_statement(&mut self, statement: &Stmt) -> CompileResult<()> {
        use ruff_python_ast::*;
-        trace!("Compiling {:?}", statement);
+        trace!("Compiling {statement:?}");
        self.set_source_range(statement.range());

        match &statement {
@@ -1907,7 +1907,7 @@ impl Compiler<'_> {

    fn compile_error_forbidden_name(&mut self, name: &str) -> CodegenError {
        // TODO: make into error (fine for now since it realistically errors out earlier)
-        panic!("Failing due to forbidden name {:?}", name);
+        panic!("Failing due to forbidden name {name:?}");
    }

    /// Ensures that `pc.fail_pop` has at least `n + 1` entries.
@@ -3209,7 +3209,7 @@ impl Compiler<'_> {

    fn compile_expression(&mut self, expression: &Expr) -> CompileResult<()> {
        use ruff_python_ast::*;
-        trace!("Compiling {:?}", expression);
+        trace!("Compiling {expression:?}");
        let range = expression.range();
        self.set_source_range(range);

@@ -4432,7 +4432,7 @@ pub fn ruff_int_to_bigint(int: &Int) -> Result<BigInt, CodegenErrorType> {
 fn parse_big_integer(int: &Int) -> Result<BigInt, CodegenErrorType> {
    // TODO: Improve ruff API
    // Can we avoid this copy?
-    let s = format!("{}", int);
+    let s = format!("{int}");
    let mut s = s.as_str();
    // See: https://peps.python.org/pep-0515/#literal-grammar
    let radix = match s.get(0..2) {
--- a/compiler/core/src/bytecode.rs
+++ b/compiler/core/src/bytecode.rs
@@ -1388,12 +1388,12 @@ impl Instruction {
                let value = ctx.get_constant(idx.get(arg) as usize);
                match value.borrow_constant() {
                    BorrowedConstant::Code { code } if expand_code_objects => {
-                        write!(f, "{:pad$}({:?}):", op, code)?;
+                        write!(f, "{op:pad$}({code:?}):")?;
                        code.display_inner(f, true, level + 1)?;
                        Ok(())
                    }
                    c => {
-                        write!(f, "{:pad$}(", op)?;
+                        write!(f, "{op:pad$}(")?;
                        c.fmt_display(f)?;
                        write!(f, ")")
                    }
--- a/compiler/literal/src/float.rs
+++ b/compiler/literal/src/float.rs
@@ -55,6 +55,7 @@ pub fn format_fixed(precision: usize, magnitude: f64, case: Case, alternate_form
    match magnitude {
        magnitude if magnitude.is_finite() => {
            let point = decimal_point_or_empty(precision, alternate_form);
+            let precision = std::cmp::min(precision, u16::MAX as usize);
            format!("{magnitude:.precision$}{point}")
        }
        magnitude if magnitude.is_nan() => format_nan(case),
--- a/compiler/src/lib.rs
+++ b/compiler/src/lib.rs
@@ -25,6 +25,7 @@ pub enum CompileErrorType {
 pub struct ParseError {
    #[source]
    pub error: parser::ParseErrorType,
+    pub raw_location: ruff_text_size::TextRange,
    pub location: SourceLocation,
    pub source_path: String,
 }
@@ -48,6 +49,7 @@ impl CompileError {
        let location = source_code.source_location(error.location.start());
        Self::Parse(ParseError {
            error: error.error,
+            raw_location: error.location,
            location,
            source_path: source_code.path.to_owned(),
        })
--- a/crawl_sourcecode.py
+++ b/crawl_sourcecode.py
@@ -1,4 +1,4 @@
-""" This script can be used to test the equivalence in parsing between
+"""This script can be used to test the equivalence in parsing between
 rustpython and cpython.

 Usage example:
@@ -8,76 +8,80 @@ $ cargo run crawl_sourcecode.py crawl_sourcecode.py > rustpython.txt
 $ diff cpython.txt rustpython.txt
 """

-
 import ast
 import sys
 import symtable
 import dis

 filename = sys.argv[1]
-print('Crawling file:', filename)
+print("Crawling file:", filename)


-with open(filename, 'r') as f:
+with open(filename, "r") as f:
    source = f.read()

 t = ast.parse(source)
 print(t)

 shift = 3
+
+
 def print_node(node, indent=0):
-    indents = ' ' * indent
+    indents = " " * indent
    if isinstance(node, ast.AST):
-        lineno = 'row={}'.format(node.lineno) if hasattr(node, 'lineno') else ''
+        lineno = "row={}".format(node.lineno) if hasattr(node, "lineno") else ""
        print(indents, "NODE", node.__class__.__name__, lineno)
        for field in node._fields:
-            print(indents,'-', field)
+            print(indents, "-", field)
            f = getattr(node, field)
            if isinstance(f, list):
                for f2 in f:
-                    print_node(f2, indent=indent+shift)
+                    print_node(f2, indent=indent + shift)
            else:
-                print_node(f, indent=indent+shift)
+                print_node(f, indent=indent + shift)
    else:
-        print(indents, 'OBJ', node)
+        print(indents, "OBJ", node)
+

 print_node(t)

 # print(ast.dump(t))
 flag_names = [
-    'is_referenced',
-    'is_assigned',
-    'is_global',
-    'is_local',
-    'is_parameter',
-    'is_free',
+    "is_referenced",
+    "is_assigned",
+    "is_global",
+    "is_local",
+    "is_parameter",
+    "is_free",
 ]

+
 def print_table(table, indent=0):
-    indents = ' ' * indent
-    print(indents, 'table:', table.get_name())
-    print(indents, ' ', 'name:', table.get_name())
-    print(indents, ' ', 'type:', table.get_type())
-    print(indents, ' ', 'line:', table.get_lineno())
-    print(indents, ' ', 'identifiers:', table.get_identifiers())
-    print(indents, ' ', 'Syms:')
+    indents = " " * indent
+    print(indents, "table:", table.get_name())
+    print(indents, " ", "name:", table.get_name())
+    print(indents, " ", "type:", table.get_type())
+    print(indents, " ", "line:", table.get_lineno())
+    print(indents, " ", "identifiers:", table.get_identifiers())
+    print(indents, " ", "Syms:")
    for sym in table.get_symbols():
        flags = []
        for flag_name in flag_names:
            func = getattr(sym, flag_name)
            if func():
                flags.append(flag_name)
-        print(indents, '   sym:', sym.get_name(), 'flags:', ' '.join(flags))
+        print(indents, "   sym:", sym.get_name(), "flags:", " ".join(flags))
    if table.has_children():
-        print(indents, ' ', 'Child tables:')
+        print(indents, " ", "Child tables:")
        for child in table.get_children():
-            print_table(child, indent=indent+shift)
+            print_table(child, indent=indent + shift)

-table = symtable.symtable(source, 'a', 'exec')
+
+table = symtable.symtable(source, "a", "exec")
 print_table(table)

 print()
-print('======== dis.dis ========')
+print("======== dis.dis ========")
 print()
-co = compile(source, filename, 'exec')
+co = compile(source, filename, "exec")
 dis.dis(co)
--- a/demo_closures.py
+++ b/demo_closures.py
@@ -1,13 +1,12 @@
-
-
 def foo(x):
    def bar(z):
        return z + x
+
    return bar

+
 f = foo(9)
 g = foo(10)

 print(f(2))
 print(g(2))
-
--- a/examples/atexit_example.py
+++ b/examples/atexit_example.py
@@ -1,7 +1,9 @@
 import atexit
 import sys

+
 def myexit():
    sys.exit(2)

+
 atexit.register(myexit)
--- a/examples/call_between_rust_and_python.py
+++ b/examples/call_between_rust_and_python.py
@@ -1,14 +1,17 @@
 from rust_py_module import RustStruct, rust_function

+
 class PythonPerson:
    def __init__(self, name):
        self.name = name

+
 def python_callback():
    python_person = PythonPerson("Peter Python")
    rust_object = rust_function(42, "This is a python string", python_person)
    print("Printing member 'numbers' from rust struct: ", rust_object.numbers)
    rust_object.print_in_rust_from_python()

+
 def take_string(string):
    print("Calling python function from rust with string: " + string)
--- a/examples/freeze/freeze.py
+++ b/examples/freeze/freeze.py
@@ -1,4 +1,3 @@
 import time

 print("Hello world!!!", time.time())
-
--- a/extra_tests/benchmarks/perf_fib.py
+++ b/extra_tests/benchmarks/perf_fib.py
@@ -2,14 +2,15 @@ def fib(n):
    a = 1
    b = 1
    for _ in range(n - 1):
-      temp = b
-      b = a + b
-      a = temp
+        temp = b
+        b = a + b
+        a = temp

    return b

+
 print(fib(1))
 print(fib(2))
 print(fib(3))
 print(fib(4))
-print(fib(5))
+print(fib(5))
--- a/extra_tests/custom_text_test_runner.py
+++ b/extra_tests/custom_text_test_runner.py
@@ -36,10 +36,12 @@ from unittest.runner import result
 from unittest.runner import registerResult
 from functools import reduce

+
 class TablePrinter(object):
    # Modified from https://github.com/agramian/table-printer, same license as above
    "Print a list of dicts as a table"
-    def __init__(self, fmt, sep='', ul=None, tl=None, bl=None):
+
+    def __init__(self, fmt, sep="", ul=None, tl=None, bl=None):
        """
        @param fmt: list of tuple(heading, key, width)
                        heading: str, column label
@@ -50,20 +52,44 @@ class TablePrinter(object):
        @param tl: string, character to draw as top line over table, or None
        @param bl: string, character to draw as bottom line under table, or None
        """
-        super(TablePrinter,self).__init__()
-        fmt = [x + ('left',) if len(x) < 4 else x for x in fmt]
-        self.fmt   = str(sep).join('{lb}{0}:{align}{1}{rb}'.format(key, width, lb='{', rb='}', align='<' if alignment == 'left' else '>') for heading,key,width,alignment in fmt)
-        self.head  = {key:heading for heading,key,width,alignment in fmt}
-        self.ul    = {key:str(ul)*width for heading,key,width,alignment in fmt} if ul else None
-        self.width = {key:width for heading,key,width,alignment in fmt}
-        self.tl    = {key:str(tl)*width for heading,key,width,alignment in fmt} if tl else None
-        self.bl    = {key:str(bl)*width for heading,key,width,alignment in fmt} if bl else None
+        super(TablePrinter, self).__init__()
+        fmt = [x + ("left",) if len(x) < 4 else x for x in fmt]
+        self.fmt = str(sep).join(
+            "{lb}{0}:{align}{1}{rb}".format(
+                key, width, lb="{", rb="}", align="<" if alignment == "left" else ">"
+            )
+            for heading, key, width, alignment in fmt
+        )
+        self.head = {key: heading for heading, key, width, alignment in fmt}
+        self.ul = (
+            {key: str(ul) * width for heading, key, width, alignment in fmt}
+            if ul
+            else None
+        )
+        self.width = {key: width for heading, key, width, alignment in fmt}
+        self.tl = (
+            {key: str(tl) * width for heading, key, width, alignment in fmt}
+            if tl
+            else None
+        )
+        self.bl = (
+            {key: str(bl) * width for heading, key, width, alignment in fmt}
+            if bl
+            else None
+        )

    def row(self, data, separation_character=False):
        if separation_character:
-            return self.fmt.format(**{ k:str(data.get(k,''))[:w] for k,w in self.width.items() })
+            return self.fmt.format(
+                **{k: str(data.get(k, ""))[:w] for k, w in self.width.items()}
+            )
        else:
-            data = { k:str(data.get(k,'')) if len(str(data.get(k,''))) <= w else '%s...' %str(data.get(k,''))[:(w-3)] for k,w in self.width.items() }
+            data = {
+                k: str(data.get(k, ""))
+                if len(str(data.get(k, ""))) <= w
+                else "%s..." % str(data.get(k, ""))[: (w - 3)]
+                for k, w in self.width.items()
+            }
            return self.fmt.format(**data)

    def __call__(self, data_list, totals=None):
@@ -80,89 +106,111 @@ class TablePrinter(object):
            res.insert(len(res), _r(totals))
        if self.bl:
            res.insert(len(res), _r(self.bl, True))
-        return '\n'.join(res)
+        return "\n".join(res)


 def get_function_args(func_ref):
    try:
-        return [p for p in inspect.getargspec(func_ref).args if p != 'self']
+        return [p for p in inspect.getargspec(func_ref).args if p != "self"]
    except:
        return None

+
 def store_class_fields(class_ref, args_passed):
-    """ Store the passed in class fields in self
-    """
+    """Store the passed in class fields in self"""
    params = get_function_args(class_ref.__init__)
-    for p in params: setattr(class_ref, p, args_passed[p])
+    for p in params:
+        setattr(class_ref, p, args_passed[p])
+

 def sum_dict_key(d, key, cast_type=None):
-    """ Sum together all values matching a key given a passed dict
-    """
-    return reduce( (lambda x, y: x + y), [eval("%s(x['%s'])" %(cast_type, key)) if cast_type else x[key] for x in d] )
+    """Sum together all values matching a key given a passed dict"""
+    return reduce(
+        (lambda x, y: x + y),
+        [eval("%s(x['%s'])" % (cast_type, key)) if cast_type else x[key] for x in d],
+    )
+

 def case_name(name):
-    """ Test case name decorator to override function name.
-    """
+    """Test case name decorator to override function name."""
+
    def decorator(function):
-        function.__dict__['test_case_name'] = name
+        function.__dict__["test_case_name"] = name
        return function
+
    return decorator

+
 def skip_device(name):
-    """ Decorator to mark a test to only run on certain devices
-        Takes single device name or list of names as argument
+    """Decorator to mark a test to only run on certain devices
+    Takes single device name or list of names as argument
    """
+
    def decorator(function):
        name_list = name if type(name) == list else [name]
-        function.__dict__['skip_device'] = name_list
+        function.__dict__["skip_device"] = name_list
        return function
+
    return decorator

+
 def _set_test_type(function, test_type):
-    """ Test type setter
-    """
-    if 'test_type' in function.__dict__:
-        function.__dict__['test_type'].append(test_type)
+    """Test type setter"""
+    if "test_type" in function.__dict__:
+        function.__dict__["test_type"].append(test_type)
    else:
-        function.__dict__['test_type'] = [test_type]
+        function.__dict__["test_type"] = [test_type]
    return function

+
 def smoke(function):
-    """ Test decorator to mark test as smoke type
-    """
-    return _set_test_type(function, 'smoke')
+    """Test decorator to mark test as smoke type"""
+    return _set_test_type(function, "smoke")
+

 def guide_discovery(function):
-    """ Test decorator to mark test as guide_discovery type
-    """
-    return _set_test_type(function, 'guide_discovery')
+    """Test decorator to mark test as guide_discovery type"""
+    return _set_test_type(function, "guide_discovery")
+

 def focus(function):
-    """ Test decorator to mark test as focus type to all rspec style debugging of cases
-    """
-    return _set_test_type(function, 'focus')
+    """Test decorator to mark test as focus type to all rspec style debugging of cases"""
+    return _set_test_type(function, "focus")
+

 class _WritelnDecorator(object):
    """Used to decorate file-like objects with a handy 'writeln' method"""
-    def __init__(self,stream):
+
+    def __init__(self, stream):
        self.stream = stream

    def __getattr__(self, attr):
-        if attr in ('stream', '__getstate__'):
+        if attr in ("stream", "__getstate__"):
            raise AttributeError(attr)
-        return getattr(self.stream,attr)
+        return getattr(self.stream, attr)

    def writeln(self, arg=None):
        if arg:
            self.write(arg)
-        self.write('\n') # text-mode streams translate to \r\n if needed
+        self.write("\n")  # text-mode streams translate to \r\n if needed
+

 class CustomTextTestResult(result.TestResult):
    _num_formatting_chars = 150
    _execution_time_significant_digits = 4
    _pass_percentage_significant_digits = 2

-    def __init__(self, stream, descriptions, verbosity, results_file_path, result_screenshots_dir, show_previous_results, config, test_types):
+    def __init__(
+        self,
+        stream,
+        descriptions,
+        verbosity,
+        results_file_path,
+        result_screenshots_dir,
+        show_previous_results,
+        config,
+        test_types,
+    ):
        super(CustomTextTestResult, self).__init__(stream, descriptions, verbosity)
        store_class_fields(self, locals())
        self.show_overall_results = verbosity > 0
@@ -178,12 +226,12 @@ class CustomTextTestResult(result.TestResult):
        self.separator3 = "_" * CustomTextTestResult._num_formatting_chars
        self.separator4 = "*" * CustomTextTestResult._num_formatting_chars
        self.separator_failure = "!" * CustomTextTestResult._num_formatting_chars
-        self.separator_pre_result = '.' * CustomTextTestResult._num_formatting_chars
+        self.separator_pre_result = "." * CustomTextTestResult._num_formatting_chars

    def getDescription(self, test):
        doc_first_line = test.shortDescription()
        if self.descriptions and doc_first_line:
-            return '\n'.join((str(test), doc_first_line))
+            return "\n".join((str(test), doc_first_line))
        else:
            return str(test)

@@ -195,109 +243,170 @@ class CustomTextTestResult(result.TestResult):
        self.results = None
        self.previous_suite_runs = []
        if os.path.isfile(self.results_file_path):
-            with open(self.results_file_path, 'rb') as f:
+            with open(self.results_file_path, "rb") as f:
                try:
                    self.results = json.load(f)
                    # recreated results dict with int keys
-                    self.results['suites'] = {int(k):v for (k,v) in list(self.results['suites'].items())}
-                    self.suite_map = {v['name']:int(k) for (k,v) in list(self.results['suites'].items())}
-                    self.previous_suite_runs = list(self.results['suites'].keys())
+                    self.results["suites"] = {
+                        int(k): v for (k, v) in list(self.results["suites"].items())
+                    }
+                    self.suite_map = {
+                        v["name"]: int(k)
+                        for (k, v) in list(self.results["suites"].items())
+                    }
+                    self.previous_suite_runs = list(self.results["suites"].keys())
                except:
                    pass
        if not self.results:
-            self.results = {'suites': {},
-                            'name': '',
-                            'num_passed': 0,
-                            'num_failed': 0,
-                            'num_skipped': 0,
-                            'num_expected_failures': 0,
-                            'execution_time': None}
-        self.suite_number = int(sorted(self.results['suites'].keys())[-1]) + 1 if len(self.results['suites']) else 0
+            self.results = {
+                "suites": {},
+                "name": "",
+                "num_passed": 0,
+                "num_failed": 0,
+                "num_skipped": 0,
+                "num_expected_failures": 0,
+                "execution_time": None,
+            }
+        self.suite_number = (
+            int(sorted(self.results["suites"].keys())[-1]) + 1
+            if len(self.results["suites"])
+            else 0
+        )
        self.case_number = 0
        self.suite_map = {}

    def stopTestRun(self):
        # if no tests or some failure occurred execution time may not have been set
        try:
-            self.results['suites'][self.suite_map[self.suite]]['execution_time'] = format(self.suite_execution_time, '.%sf' %CustomTextTestResult._execution_time_significant_digits)
+            self.results["suites"][self.suite_map[self.suite]]["execution_time"] = (
+                format(
+                    self.suite_execution_time,
+                    ".%sf" % CustomTextTestResult._execution_time_significant_digits,
+                )
+            )
        except:
            pass
-        self.results['execution_time'] = format(self.total_execution_time, '.%sf' %CustomTextTestResult._execution_time_significant_digits)
+        self.results["execution_time"] = format(
+            self.total_execution_time,
+            ".%sf" % CustomTextTestResult._execution_time_significant_digits,
+        )
        self.stream.writeln(self.separator3)
-        with open(self.results_file_path, 'w') as f:
+        with open(self.results_file_path, "w") as f:
            json.dump(self.results, f)

    def startTest(self, test):
-        suite_base_category = test.__class__.base_test_category if hasattr(test.__class__, 'base_test_category') else ''
-        self.next_suite = os.path.join(suite_base_category, test.__class__.name if hasattr(test.__class__, 'name') else test.__class__.__name__)
+        suite_base_category = (
+            test.__class__.base_test_category
+            if hasattr(test.__class__, "base_test_category")
+            else ""
+        )
+        self.next_suite = os.path.join(
+            suite_base_category,
+            test.__class__.name
+            if hasattr(test.__class__, "name")
+            else test.__class__.__name__,
+        )
        self.case = test._testMethodName
        super(CustomTextTestResult, self).startTest(test)
        if not self.suite or self.suite != self.next_suite:
            if self.suite:
-                self.results['suites'][self.suite_map[self.suite]]['execution_time'] = format(self.suite_execution_time, '.%sf' %CustomTextTestResult._execution_time_significant_digits)
+                self.results["suites"][self.suite_map[self.suite]]["execution_time"] = (
+                    format(
+                        self.suite_execution_time,
+                        ".%sf"
+                        % CustomTextTestResult._execution_time_significant_digits,
+                    )
+                )
            self.suite_execution_time = 0
            self.suite = self.next_suite
            if self.show_test_info:
                self.stream.writeln(self.separator1)
-                self.stream.writeln("TEST SUITE: %s" %self.suite)
-                self.stream.writeln("Description: %s" %self.getSuiteDescription(test))
+                self.stream.writeln("TEST SUITE: %s" % self.suite)
+                self.stream.writeln("Description: %s" % self.getSuiteDescription(test))
        try:
-            name_override = getattr(test, test._testMethodName).__func__.__dict__['test_case_name']
+            name_override = getattr(test, test._testMethodName).__func__.__dict__[
+                "test_case_name"
+            ]
        except:
            name_override = None
        self.case = name_override if name_override else self.case
        if self.show_test_info:
            # self.stream.writeln(self.separator2)
-            self.stream.write("CASE: %s" %self.case)
-            if desc := test.shortDescription(): self.stream.write(" (Description: %s)" % desc)
+            self.stream.write("CASE: %s" % self.case)
+            if desc := test.shortDescription():
+                self.stream.write(" (Description: %s)" % desc)
            self.stream.write("... ")
            # self.stream.writeln(self.separator2)
            self.stream.flush()
        self.current_case_number = self.case_number
        if self.suite not in self.suite_map:
            self.suite_map[self.suite] = self.suite_number
-            self.results['suites'][self.suite_number] = {
-                'name': self.suite,
-                'class': test.__class__.__name__,
-                'module': re.compile('.* \((.*)\)').match(str(test)).group(1),
-                'description': self.getSuiteDescription(test),
-                'cases': {},
-                'used_case_names': {},
-                'num_passed': 0,
-                'num_failed': 0,
-                'num_skipped': 0,
-                'num_expected_failures': 0,
-                'execution_time': None}
+            self.results["suites"][self.suite_number] = {
+                "name": self.suite,
+                "class": test.__class__.__name__,
+                "module": re.compile(".* \((.*)\)").match(str(test)).group(1),
+                "description": self.getSuiteDescription(test),
+                "cases": {},
+                "used_case_names": {},
+                "num_passed": 0,
+                "num_failed": 0,
+                "num_skipped": 0,
+                "num_expected_failures": 0,
+                "execution_time": None,
+            }
            self.suite_number += 1
            self.num_cases = 0
            self.num_passed = 0
            self.num_failed = 0
            self.num_skipped = 0
            self.num_expected_failures = 0
-        self.results['suites'][self.suite_map[self.suite]]['cases'][self.case_number] = {
-            'name': self.case,
-            'method': test._testMethodName,
-            'result': None,
-            'description': test.shortDescription(),
-            'note': None,
-            'errors': None,
-            'failures': None,
-            'screenshots': [],
-            'new_version': 'No',
-            'execution_time': None}
+        self.results["suites"][self.suite_map[self.suite]]["cases"][
+            self.case_number
+        ] = {
+            "name": self.case,
+            "method": test._testMethodName,
+            "result": None,
+            "description": test.shortDescription(),
+            "note": None,
+            "errors": None,
+            "failures": None,
+            "screenshots": [],
+            "new_version": "No",
+            "execution_time": None,
+        }
        self.start_time = time.time()
        if self.test_types:
-            if ('test_type' in getattr(test, test._testMethodName).__func__.__dict__
-                and set([s.lower() for s in self.test_types]) == set([s.lower() for s in getattr(test, test._testMethodName).__func__.__dict__['test_type']])):
+            if "test_type" in getattr(
+                test, test._testMethodName
+            ).__func__.__dict__ and set([s.lower() for s in self.test_types]) == set(
+                [
+                    s.lower()
+                    for s in getattr(test, test._testMethodName).__func__.__dict__[
+                        "test_type"
+                    ]
+                ]
+            ):
                pass
            else:
-                getattr(test, test._testMethodName).__func__.__dict__['__unittest_skip_why__'] = 'Test run specified to only run tests of type "%s"' %','.join(self.test_types)
-                getattr(test, test._testMethodName).__func__.__dict__['__unittest_skip__'] = True
-        if 'skip_device' in getattr(test, test._testMethodName).__func__.__dict__:
-            for device in getattr(test, test._testMethodName).__func__.__dict__['skip_device']:
-                if self.config and device.lower() in self.config['device_name'].lower():
-                    getattr(test, test._testMethodName).__func__.__dict__['__unittest_skip_why__'] = 'Test is marked to be skipped on %s' %device
-                    getattr(test, test._testMethodName).__func__.__dict__['__unittest_skip__'] = True
+                getattr(test, test._testMethodName).__func__.__dict__[
+                    "__unittest_skip_why__"
+                ] = 'Test run specified to only run tests of type "%s"' % ",".join(
+                    self.test_types
+                )
+                getattr(test, test._testMethodName).__func__.__dict__[
+                    "__unittest_skip__"
+                ] = True
+        if "skip_device" in getattr(test, test._testMethodName).__func__.__dict__:
+            for device in getattr(test, test._testMethodName).__func__.__dict__[
+                "skip_device"
+            ]:
+                if self.config and device.lower() in self.config["device_name"].lower():
+                    getattr(test, test._testMethodName).__func__.__dict__[
+                        "__unittest_skip_why__"
+                    ] = "Test is marked to be skipped on %s" % device
+                    getattr(test, test._testMethodName).__func__.__dict__[
+                        "__unittest_skip__"
+                    ] = True
                    break

    def stopTest(self, test):
@@ -307,19 +416,32 @@ class CustomTextTestResult(result.TestResult):
        self.total_execution_time += self.execution_time
        super(CustomTextTestResult, self).stopTest(test)
        self.num_cases += 1
-        self.results['suites'][self.suite_map[self.suite]]['num_passed'] = self.num_passed
-        self.results['suites'][self.suite_map[self.suite]]['num_failed'] = self.num_failed
-        self.results['suites'][self.suite_map[self.suite]]['num_skipped'] = self.num_skipped
-        self.results['suites'][self.suite_map[self.suite]]['num_expected_failures'] = self.num_expected_failures
-        self.results['suites'][self.suite_map[self.suite]]['cases'][self.current_case_number]['execution_time']= format(self.execution_time, '.%sf' %CustomTextTestResult._execution_time_significant_digits)
-        self.results['num_passed'] += self.num_passed
-        self.results['num_failed'] += self.num_failed
-        self.results['num_skipped'] += self.num_skipped
-        self.results['num_expected_failures'] += self.num_expected_failures
+        self.results["suites"][self.suite_map[self.suite]]["num_passed"] = (
+            self.num_passed
+        )
+        self.results["suites"][self.suite_map[self.suite]]["num_failed"] = (
+            self.num_failed
+        )
+        self.results["suites"][self.suite_map[self.suite]]["num_skipped"] = (
+            self.num_skipped
+        )
+        self.results["suites"][self.suite_map[self.suite]]["num_expected_failures"] = (
+            self.num_expected_failures
+        )
+        self.results["suites"][self.suite_map[self.suite]]["cases"][
+            self.current_case_number
+        ]["execution_time"] = format(
+            self.execution_time,
+            ".%sf" % CustomTextTestResult._execution_time_significant_digits,
+        )
+        self.results["num_passed"] += self.num_passed
+        self.results["num_failed"] += self.num_failed
+        self.results["num_skipped"] += self.num_skipped
+        self.results["num_expected_failures"] += self.num_expected_failures
        self.case_number += 1

    def print_error_string(self, err):
-        error_string = ''.join(traceback.format_exception(err[0], err[1], err[2]))
+        error_string = "".join(traceback.format_exception(err[0], err[1], err[2]))
        if self.show_errors:
            self.stream.writeln(self.separator_failure)
            self.stream.write(error_string)
@@ -328,7 +450,9 @@ class CustomTextTestResult(result.TestResult):
    def addScreenshots(self, test):
        for root, dirs, files in os.walk(self.result_screenshots_dir):
            for file in files:
-                self.results['suites'][self.suite_map[self.suite]]['cases'][self.current_case_number]['screenshots'].append(os.path.join(root, file))
+                self.results["suites"][self.suite_map[self.suite]]["cases"][
+                    self.current_case_number
+                ]["screenshots"].append(os.path.join(root, file))

    def addSuccess(self, test):
        super(CustomTextTestResult, self).addSuccess(test)
@@ -336,7 +460,9 @@ class CustomTextTestResult(result.TestResult):
            # self.stream.writeln(self.separator_pre_result)
            self.stream.writeln("PASS")
        self.stream.flush()
-        self.results['suites'][self.suite_map[self.suite]]['cases'][self.current_case_number]['result'] = 'passed'
+        self.results["suites"][self.suite_map[self.suite]]["cases"][
+            self.current_case_number
+        ]["result"] = "passed"
        self.num_passed += 1
        self.addScreenshots(test)

@@ -347,8 +473,12 @@ class CustomTextTestResult(result.TestResult):
            # self.stream.writeln(self.separator_pre_result)
            self.stream.writeln("ERROR")
        self.stream.flush()
-        self.results['suites'][self.suite_map[self.suite]]['cases'][self.current_case_number]['result'] = 'error'
-        self.results['suites'][self.suite_map[self.suite]]['cases'][self.current_case_number]['errors'] = error_string
+        self.results["suites"][self.suite_map[self.suite]]["cases"][
+            self.current_case_number
+        ]["result"] = "error"
+        self.results["suites"][self.suite_map[self.suite]]["cases"][
+            self.current_case_number
+        ]["errors"] = error_string
        self.num_failed += 1
        self.addScreenshots(test)

@@ -359,8 +489,12 @@ class CustomTextTestResult(result.TestResult):
            # self.stream.writeln(self.separator_pre_result)
            self.stream.writeln("FAIL")
        self.stream.flush()
-        self.results['suites'][self.suite_map[self.suite]]['cases'][self.current_case_number]['result'] = 'failed'
-        self.results['suites'][self.suite_map[self.suite]]['cases'][self.current_case_number]['failures'] = error_string
+        self.results["suites"][self.suite_map[self.suite]]["cases"][
+            self.current_case_number
+        ]["result"] = "failed"
+        self.results["suites"][self.suite_map[self.suite]]["cases"][
+            self.current_case_number
+        ]["failures"] = error_string
        self.num_failed += 1
        self.addScreenshots(test)

@@ -370,8 +504,12 @@ class CustomTextTestResult(result.TestResult):
            # self.stream.writeln(self.separator_pre_result)
            self.stream.writeln("SKIPPED {0!r}".format(reason))
        self.stream.flush()
-        self.results['suites'][self.suite_map[self.suite]]['cases'][self.current_case_number]['result'] = 'skipped'
-        self.results['suites'][self.suite_map[self.suite]]['cases'][self.current_case_number]['note'] = reason
+        self.results["suites"][self.suite_map[self.suite]]["cases"][
+            self.current_case_number
+        ]["result"] = "skipped"
+        self.results["suites"][self.suite_map[self.suite]]["cases"][
+            self.current_case_number
+        ]["note"] = reason
        self.num_skipped += 1

    def addExpectedFailure(self, test, err):
@@ -380,7 +518,9 @@ class CustomTextTestResult(result.TestResult):
            # self.stream.writeln(self.separator_pre_result)
            self.stream.writeln("EXPECTED FAILURE")
        self.stream.flush()
-        self.results['suites'][self.suite_map[self.suite]]['cases'][self.current_case_number]['result'] = 'expected_failure'
+        self.results["suites"][self.suite_map[self.suite]]["cases"][
+            self.current_case_number
+        ]["result"] = "expected_failure"
        self.num_expected_failures += 1
        self.addScreenshots(test)

@@ -396,103 +536,189 @@ class CustomTextTestResult(result.TestResult):
    def printOverallSuiteResults(self, r):
        self.stream.writeln()
        self.stream.writeln(self.separator4)
-        self.stream.writeln('OVERALL SUITE RESULTS')
+        self.stream.writeln("OVERALL SUITE RESULTS")
        fmt = [
-            ('SUITE',       'suite',        50, 'left'),
-            ('CASES',       'cases',        15, 'right'),
-            ('PASSED',      'passed',       15, 'right'),
-            ('FAILED',      'failed',       15, 'right'),
-            ('SKIPPED',     'skipped',      15, 'right'),
-            ('%',           'percentage',   20, 'right'),
-            ('TIME (s)',    'time',         20, 'right')
+            ("SUITE", "suite", 50, "left"),
+            ("CASES", "cases", 15, "right"),
+            ("PASSED", "passed", 15, "right"),
+            ("FAILED", "failed", 15, "right"),
+            ("SKIPPED", "skipped", 15, "right"),
+            ("%", "percentage", 20, "right"),
+            ("TIME (s)", "time", 20, "right"),
        ]
        data = []
-        for x in r: data.append({'suite': r[x]['name'],
-                                   'cases': r[x]['num_passed'] + r[x]['num_failed'],
-                                   'passed': r[x]['num_passed'],
-                                   'failed': r[x]['num_failed'],
-                                   'skipped': r[x]['num_skipped'],
-                                   'expected_failures': r[x]['num_expected_failures'],
-                                   'percentage': float(r[x]['num_passed'])/(r[x]['num_passed'] + r[x]['num_failed']) * 100 if (r[x]['num_passed'] + r[x]['num_failed']) > 0 else 0,
-                                   'time': r[x]['execution_time']})
-        total_suites_passed = len([x for x in data if not x['failed']])
-        total_suites_passed_percentage = format(float(total_suites_passed)/len(data) * 100, '.%sf' %CustomTextTestResult._pass_percentage_significant_digits)
-        totals = {'suite': 'TOTALS %s/%s (%s%%) suites passed' %(total_suites_passed, len(data), total_suites_passed_percentage),
-                  'cases': sum_dict_key(data, 'cases'),
-                  'passed': sum_dict_key(data, 'passed'),
-                  'failed': sum_dict_key(data, 'failed'),
-                  'skipped': sum_dict_key(data, 'skipped'),
-                  'percentage': sum_dict_key(data, 'percentage')/len(data),
-                  'time': sum_dict_key(data, 'time', 'float')}
-        for x in data: operator.setitem(x, 'percentage', format(x['percentage'], '.%sf' %CustomTextTestResult._pass_percentage_significant_digits))
-        totals['percentage'] = format(totals['percentage'], '.%sf' %CustomTextTestResult._pass_percentage_significant_digits)
-        self.stream.writeln( TablePrinter(fmt, tl=self.separator1, ul=self.separator2, bl=self.separator3)(data, totals) )
+        for x in r:
+            data.append(
+                {
+                    "suite": r[x]["name"],
+                    "cases": r[x]["num_passed"] + r[x]["num_failed"],
+                    "passed": r[x]["num_passed"],
+                    "failed": r[x]["num_failed"],
+                    "skipped": r[x]["num_skipped"],
+                    "expected_failures": r[x]["num_expected_failures"],
+                    "percentage": float(r[x]["num_passed"])
+                    / (r[x]["num_passed"] + r[x]["num_failed"])
+                    * 100
+                    if (r[x]["num_passed"] + r[x]["num_failed"]) > 0
+                    else 0,
+                    "time": r[x]["execution_time"],
+                }
+            )
+        total_suites_passed = len([x for x in data if not x["failed"]])
+        total_suites_passed_percentage = format(
+            float(total_suites_passed) / len(data) * 100,
+            ".%sf" % CustomTextTestResult._pass_percentage_significant_digits,
+        )
+        totals = {
+            "suite": "TOTALS %s/%s (%s%%) suites passed"
+            % (total_suites_passed, len(data), total_suites_passed_percentage),
+            "cases": sum_dict_key(data, "cases"),
+            "passed": sum_dict_key(data, "passed"),
+            "failed": sum_dict_key(data, "failed"),
+            "skipped": sum_dict_key(data, "skipped"),
+            "percentage": sum_dict_key(data, "percentage") / len(data),
+            "time": sum_dict_key(data, "time", "float"),
+        }
+        for x in data:
+            operator.setitem(
+                x,
+                "percentage",
+                format(
+                    x["percentage"],
+                    ".%sf" % CustomTextTestResult._pass_percentage_significant_digits,
+                ),
+            )
+        totals["percentage"] = format(
+            totals["percentage"],
+            ".%sf" % CustomTextTestResult._pass_percentage_significant_digits,
+        )
+        self.stream.writeln(
+            TablePrinter(
+                fmt, tl=self.separator1, ul=self.separator2, bl=self.separator3
+            )(data, totals)
+        )
        self.stream.writeln()

    def printIndividualSuiteResults(self, r):
        self.stream.writeln()
        self.stream.writeln(self.separator4)
-        self.stream.writeln('INDIVIDUAL SUITE RESULTS')
+        self.stream.writeln("INDIVIDUAL SUITE RESULTS")
        fmt = [
-            ('CASE',        'case',         50, 'left'),
-            ('DESCRIPTION', 'description',  50, 'right'),
-            ('RESULT',      'result',       25, 'right'),
-            ('TIME (s)',    'time',         25, 'right')
+            ("CASE", "case", 50, "left"),
+            ("DESCRIPTION", "description", 50, "right"),
+            ("RESULT", "result", 25, "right"),
+            ("TIME (s)", "time", 25, "right"),
        ]
        for suite in r:
            self.stream.writeln(self.separator1)
-            self.stream.write('{0: <50}'.format('SUITE: %s' %r[suite]['name']))
-            self.stream.writeln('{0: <100}'.format('DESCRIPTION: %s' %(r[suite]['description'] if not r[suite]['description'] or len(r[suite]['description']) <= (100 - len('DESCRIPTION: '))
-                                                                       else '%s...' %r[suite]['description'][:(97 - len('DESCRIPTION: '))])))
+            self.stream.write("{0: <50}".format("SUITE: %s" % r[suite]["name"]))
+            self.stream.writeln(
+                "{0: <100}".format(
+                    "DESCRIPTION: %s"
+                    % (
+                        r[suite]["description"]
+                        if not r[suite]["description"]
+                        or len(r[suite]["description"]) <= (100 - len("DESCRIPTION: "))
+                        else "%s..."
+                        % r[suite]["description"][: (97 - len("DESCRIPTION: "))]
+                    )
+                )
+            )
            data = []
-            cases = r[suite]['cases']
-            for x in cases: data.append({'case': cases[x]['name'],
-                                       'description': cases[x]['description'],
-                                       'result': cases[x]['result'].upper() if cases[x]['result'] else cases[x]['result'],
-                                       'time': cases[x]['execution_time']})
-            self.stream.writeln( TablePrinter(fmt, tl=self.separator1, ul=self.separator2)(data) )
+            cases = r[suite]["cases"]
+            for x in cases:
+                data.append(
+                    {
+                        "case": cases[x]["name"],
+                        "description": cases[x]["description"],
+                        "result": cases[x]["result"].upper()
+                        if cases[x]["result"]
+                        else cases[x]["result"],
+                        "time": cases[x]["execution_time"],
+                    }
+                )
+            self.stream.writeln(
+                TablePrinter(fmt, tl=self.separator1, ul=self.separator2)(data)
+            )
        self.stream.writeln(self.separator3)
        self.stream.writeln()

    def printErrorsOverview(self, r):
        self.stream.writeln()
        self.stream.writeln(self.separator4)
-        self.stream.writeln('FAILURES AND ERRORS OVERVIEW')
+        self.stream.writeln("FAILURES AND ERRORS OVERVIEW")
        fmt = [
-            ('SUITE',       'suite',         50, 'left'),
-            ('CASE',        'case',          50, 'left'),
-            ('RESULT',      'result',        50, 'right')
+            ("SUITE", "suite", 50, "left"),
+            ("CASE", "case", 50, "left"),
+            ("RESULT", "result", 50, "right"),
        ]
        data = []
        for suite in r:
-            cases = {k:v for (k,v) in list(r[suite]['cases'].items()) if v['failures'] or v['errors']}
-            for x in cases: data.append({'suite': '%s%s' %(r[suite]['name'], ' (%s)' %r[suite]['module'] if r[suite]['class'] != r[suite]['name'] else ''),
-                                       'case': '%s%s' %(cases[x]['name'], ' (%s)' %cases[x]['method'] if cases[x]['name'] != cases[x]['method'] else ''),
-                                       'result': cases[x]['result'].upper()})
-        self.stream.writeln( TablePrinter(fmt, tl=self.separator1, ul=self.separator2)(data) )
+            cases = {
+                k: v
+                for (k, v) in list(r[suite]["cases"].items())
+                if v["failures"] or v["errors"]
+            }
+            for x in cases:
+                data.append(
+                    {
+                        "suite": "%s%s"
+                        % (
+                            r[suite]["name"],
+                            " (%s)" % r[suite]["module"]
+                            if r[suite]["class"] != r[suite]["name"]
+                            else "",
+                        ),
+                        "case": "%s%s"
+                        % (
+                            cases[x]["name"],
+                            " (%s)" % cases[x]["method"]
+                            if cases[x]["name"] != cases[x]["method"]
+                            else "",
+                        ),
+                        "result": cases[x]["result"].upper(),
+                    }
+                )
+        self.stream.writeln(
+            TablePrinter(fmt, tl=self.separator1, ul=self.separator2)(data)
+        )
        self.stream.writeln(self.separator3)
        self.stream.writeln()

    def printErrorsDetail(self, r):
        self.stream.writeln()
        self.stream.writeln(self.separator4)
-        self.stream.writeln('FAILURES AND ERRORS DETAIL')
+        self.stream.writeln("FAILURES AND ERRORS DETAIL")
        for suite in r:
-            failures_and_errors = [k for (k,v) in list(r[suite]['cases'].items()) if v['failures'] or v['errors']]
-            #print failures_and_errors
-            suite_str = '%s%s' %(r[suite]['name'], ' (%s)' %r[suite]['module'] if r[suite]['class'] != r[suite]['name'] else '')
+            failures_and_errors = [
+                k
+                for (k, v) in list(r[suite]["cases"].items())
+                if v["failures"] or v["errors"]
+            ]
+            # print failures_and_errors
+            suite_str = "%s%s" % (
+                r[suite]["name"],
+                " (%s)" % r[suite]["module"]
+                if r[suite]["class"] != r[suite]["name"]
+                else "",
+            )
            for case in failures_and_errors:
-                case_ref = r[suite]['cases'][case]
-                case_str = '%s%s' %(case_ref['name'], ' (%s)' %case_ref['method'] if case_ref['name'] != case_ref['method'] else '')
-                errors = case_ref['errors']
-                failures = case_ref['failures']
+                case_ref = r[suite]["cases"][case]
+                case_str = "%s%s" % (
+                    case_ref["name"],
+                    " (%s)" % case_ref["method"]
+                    if case_ref["name"] != case_ref["method"]
+                    else "",
+                )
+                errors = case_ref["errors"]
+                failures = case_ref["failures"]
                self.stream.writeln(self.separator1)
                if errors:
-                    self.stream.writeln('ERROR: %s [%s]' %(case_str, suite_str))
+                    self.stream.writeln("ERROR: %s [%s]" % (case_str, suite_str))
                    self.stream.writeln(self.separator2)
                    self.stream.writeln(errors)
                if failures:
-                    self.stream.writeln('FAILURE: %s [%s]' %(case_str, suite_str))
+                    self.stream.writeln("FAILURE: %s [%s]" % (case_str, suite_str))
                    self.stream.writeln(self.separator2)
                    self.stream.writeln(failures)
        self.stream.writeln(self.separator3)
@@ -501,52 +727,85 @@ class CustomTextTestResult(result.TestResult):
    def printSkippedDetail(self, r):
        self.stream.writeln()
        self.stream.writeln(self.separator4)
-        self.stream.writeln('SKIPPED DETAIL')
+        self.stream.writeln("SKIPPED DETAIL")
        fmt = [
-            ('SUITE',       'suite',         50, 'left'),
-            ('CASE',        'case',          50, 'left'),
-            ('REASON',      'reason',        50, 'right')
+            ("SUITE", "suite", 50, "left"),
+            ("CASE", "case", 50, "left"),
+            ("REASON", "reason", 50, "right"),
        ]
        data = []
        for suite in r:
-            cases = {k:v for (k,v) in list(r[suite]['cases'].items()) if v['result'] == 'skipped'}
-            for x in cases: data.append({'suite': '%s%s' %(r[suite]['name'], ' (%s)' %r[suite]['module'] if r[suite]['class'] != r[suite]['name'] else ''),
-                                       'case': '%s%s' %(cases[x]['name'], ' (%s)' %cases[x]['method'] if cases[x]['name'] != cases[x]['method'] else ''),
-                                       'reason': cases[x]['note']})
-        self.stream.writeln( TablePrinter(fmt, tl=self.separator1, ul=self.separator2)(data) )
+            cases = {
+                k: v
+                for (k, v) in list(r[suite]["cases"].items())
+                if v["result"] == "skipped"
+            }
+            for x in cases:
+                data.append(
+                    {
+                        "suite": "%s%s"
+                        % (
+                            r[suite]["name"],
+                            " (%s)" % r[suite]["module"]
+                            if r[suite]["class"] != r[suite]["name"]
+                            else "",
+                        ),
+                        "case": "%s%s"
+                        % (
+                            cases[x]["name"],
+                            " (%s)" % cases[x]["method"]
+                            if cases[x]["name"] != cases[x]["method"]
+                            else "",
+                        ),
+                        "reason": cases[x]["note"],
+                    }
+                )
+        self.stream.writeln(
+            TablePrinter(fmt, tl=self.separator1, ul=self.separator2)(data)
+        )
        self.stream.writeln(self.separator3)
        self.stream.writeln()

    def returnCode(self):
        return not self.wasSuccessful()

+
 class CustomTextTestRunner(unittest.TextTestRunner):
    """A test runner class that displays results in textual form.
    It prints out the names of tests as they are run, errors as they
    occur, and a summary of the results at the end of the test run.
    """

-    def __init__(self,
-                 stream=sys.stderr,
-                 descriptions=True,
-                 verbosity=1,
-                 failfast=False,
-                 buffer=False,
-                 resultclass=CustomTextTestResult,
-                 results_file_path="results.json",
-                 result_screenshots_dir='',
-                 show_previous_results=False,
-                 test_name=None,
-                 test_description=None,
-                 config=None,
-                 test_types=None):
+    def __init__(
+        self,
+        stream=sys.stderr,
+        descriptions=True,
+        verbosity=1,
+        failfast=False,
+        buffer=False,
+        resultclass=CustomTextTestResult,
+        results_file_path="results.json",
+        result_screenshots_dir="",
+        show_previous_results=False,
+        test_name=None,
+        test_description=None,
+        config=None,
+        test_types=None,
+    ):
        store_class_fields(self, locals())
        self.stream = _WritelnDecorator(stream)

    def _makeResult(self):
-        return self.resultclass(self.stream, self.descriptions, self.verbosity,
-                                self.results_file_path, self.result_screenshots_dir, self.show_previous_results,
-                                self.config, self.test_types)
+        return self.resultclass(
+            self.stream,
+            self.descriptions,
+            self.verbosity,
+            self.results_file_path,
+            self.result_screenshots_dir,
+            self.show_previous_results,
+            self.config,
+            self.test_types,
+        )

    def run(self, test):
        output = ""
@@ -556,22 +815,26 @@ class CustomTextTestRunner(unittest.TextTestRunner):
        result.failfast = self.failfast
        result.buffer = self.buffer
        startTime = time.time()
-        startTestRun = getattr(result, 'startTestRun', None)
+        startTestRun = getattr(result, "startTestRun", None)
        if startTestRun is not None:
            startTestRun()
        try:
            test(result)
        finally:
-            stopTestRun = getattr(result, 'stopTestRun', None)
+            stopTestRun = getattr(result, "stopTestRun", None)
            if stopTestRun is not None:
                stopTestRun()
        stopTime = time.time()
        timeTaken = stopTime - startTime
        # filter results to output
        if result.show_previous_results:
-            r = result.results['suites']
+            r = result.results["suites"]
        else:
-            r = {k:v for (k,v) in list(result.results['suites'].items()) if k not in result.previous_suite_runs}
+            r = {
+                k: v
+                for (k, v) in list(result.results["suites"].items())
+                if k not in result.previous_suite_runs
+            }
        # print results based on verbosity
        if result.show_all:
            result.printSkippedDetail(r)
@@ -584,15 +847,17 @@ class CustomTextTestRunner(unittest.TextTestRunner):
        if result.show_overall_results:
            result.printOverallSuiteResults(r)
        run = result.testsRun
-        self.stream.writeln("Ran %d test case%s in %.4fs" %
-                            (run, run != 1 and "s" or "", timeTaken))
+        self.stream.writeln(
+            "Ran %d test case%s in %.4fs" % (run, run != 1 and "s" or "", timeTaken)
+        )
        self.stream.writeln()

        expectedFails = unexpectedSuccesses = skipped = 0
        try:
-            results = map(len, (result.expectedFailures,
-                                result.unexpectedSuccesses,
-                                result.skipped))
+            results = map(
+                len,
+                (result.expectedFailures, result.unexpectedSuccesses, result.skipped),
+            )
        except AttributeError:
            pass
        else:
--- a/extra_tests/jsontests.py
+++ b/extra_tests/jsontests.py
@@ -6,8 +6,9 @@ import os

 testnames = findtests()
 # idk why this fixes the hanging, if it does
-testnames.remove('test_importlib')
-testnames.insert(0, 'test_importlib')
+testnames.remove("test_importlib")
+testnames.insert(0, "test_importlib")
+

 def loadTestsOrSkip(loader, name):
    try:
@@ -17,12 +18,16 @@ def loadTestsOrSkip(loader, name):
        @unittest.skip(str(exc))
        def testSkipped(self):
            pass
+
        attrs = {name: testSkipped}
        TestClass = type("ModuleSkipped", (unittest.TestCase,), attrs)
        return loader.suiteClass((TestClass(name),))

+
 loader = unittest.defaultTestLoader
-suite = loader.suiteClass([loadTestsOrSkip(loader, 'test.' + name) for name in testnames])
+suite = loader.suiteClass(
+    [loadTestsOrSkip(loader, "test." + name) for name in testnames]
+)

 resultsfile = os.path.join(os.path.dirname(__file__), "cpython_tests_results.json")
 if os.path.exists(resultsfile):
--- a/extra_tests/snippets/3.1.3.4.py
+++ b/extra_tests/snippets/3.1.3.4.py
@@ -1,3 +1,2 @@
-l = [1,2,3]
-assert [1,2,3,4,5] == (l + [4,5])
-
+l = [1, 2, 3]
+assert [1, 2, 3, 4, 5] == (l + [4, 5])
--- a/extra_tests/snippets/3.1.3.5.py
+++ b/extra_tests/snippets/3.1.3.5.py
@@ -1,3 +1,3 @@
-x = [1,999,3]
+x = [1, 999, 3]
 x[1] = 2
-assert [1,2,3] == x
+assert [1, 2, 3] == x
--- a/extra_tests/snippets/builtin_abs.py
+++ b/extra_tests/snippets/builtin_abs.py
@@ -2,4 +2,3 @@ assert abs(-3) == 3
 assert abs(7) == 7
 assert abs(-3.21) == 3.21
 assert abs(6.25) == 6.25
-
--- a/extra_tests/snippets/builtin_ascii.py
+++ b/extra_tests/snippets/builtin_ascii.py
@@ -1,7 +1,7 @@
-assert ascii('hello world') == "'hello world'"
-assert ascii('안녕 세상') == "'\\uc548\\ub155 \\uc138\\uc0c1'"
-assert ascii('안녕 RustPython') == "'\\uc548\\ub155 RustPython'"
-assert ascii(5) == '5'
+assert ascii("hello world") == "'hello world'"
+assert ascii("안녕 세상") == "'\\uc548\\ub155 \\uc138\\uc0c1'"
+assert ascii("안녕 RustPython") == "'\\uc548\\ub155 RustPython'"
+assert ascii(5) == "5"
 assert ascii(chr(0x10001)) == "'\\U00010001'"
 assert ascii(chr(0x9999)) == "'\\u9999'"
-assert ascii(chr(0x0A)) == "'\\n'"
+assert ascii(chr(0x0A)) == "'\\n'"
--- a/extra_tests/snippets/builtin_bin.py
+++ b/extra_tests/snippets/builtin_bin.py
@@ -1,13 +1,13 @@
-assert bin(0) == '0b0'
-assert bin(1) == '0b1'
-assert bin(-1) == '-0b1'
-assert bin(2**24) == '0b1' + '0' * 24
-assert bin(2**24-1) == '0b' + '1' * 24
-assert bin(-(2**24)) == '-0b1' + '0' * 24
-assert bin(-(2**24-1)) == '-0b' + '1' * 24
+assert bin(0) == "0b0"
+assert bin(1) == "0b1"
+assert bin(-1) == "-0b1"
+assert bin(2**24) == "0b1" + "0" * 24
+assert bin(2**24 - 1) == "0b" + "1" * 24
+assert bin(-(2**24)) == "-0b1" + "0" * 24
+assert bin(-(2**24 - 1)) == "-0b" + "1" * 24

-a = 2 ** 65
-assert bin(a) == '0b1' + '0' * 65
-assert bin(a-1) == '0b' + '1' * 65
-assert bin(-(a)) == '-0b1' + '0' * 65
-assert bin(-(a-1)) == '-0b' + '1' * 65
+a = 2**65
+assert bin(a) == "0b1" + "0" * 65
+assert bin(a - 1) == "0b" + "1" * 65
+assert bin(-(a)) == "-0b1" + "0" * 65
+assert bin(-(a - 1)) == "-0b" + "1" * 65
--- a/extra_tests/snippets/builtin_bool.py
+++ b/extra_tests/snippets/builtin_bool.py
@@ -30,18 +30,20 @@ if not {} and not [1]:
 if not object():
    raise BaseException

+
 class Falsey:
    def __bool__(self):
        return False

+
 assert not Falsey()

-assert (True or fake)  # noqa: F821
-assert (False or True)
+assert True or fake  # noqa: F821
+assert False or True
 assert not (False or False)
 assert ("thing" or 0) == "thing"

-assert (True and True)
+assert True and True
 assert not (False and fake)  # noqa: F821
 assert (True and 5) == 5

@@ -92,15 +94,17 @@ assert bool(set()) is False

 assert bool({"key": "value"}) is True
 assert bool([1]) is True
-assert bool(set([1,2])) is True
+assert bool(set([1, 2])) is True

 assert repr(True) == "True"

+
 # Check __len__ work
 class TestMagicMethodLenZero:
    def __len__(self):
        return 0

+
 class TestMagicMethodLenOne:
    def __len__(self):
        return 1
@@ -118,6 +122,7 @@ class TestMagicMethodBoolTrueLenFalse:
    def __len__(self):
        return 0

+
 class TestMagicMethodBoolFalseLenTrue:
    def __bool__(self):
        return False
@@ -125,6 +130,7 @@ class TestMagicMethodBoolFalseLenTrue:
    def __len__(self):
        return 1

+
 assert bool(TestMagicMethodBoolTrueLenFalse()) is True
 assert bool(TestMagicMethodBoolFalseLenTrue()) is False

@@ -134,9 +140,11 @@ class TestBoolThrowError:
    def __bool__(self):
        return object()

+
 with assert_raises(TypeError):
    bool(TestBoolThrowError())

+
 class TestLenThrowError:
    def __len__(self):
        return object()
@@ -145,6 +153,7 @@ class TestLenThrowError:
 with assert_raises(TypeError):
    bool(TestLenThrowError())

+
 # Verify that TypeError occurs when bad things are returned
 # from __bool__().  This isn't really a bool test, but
 # it's related.
@@ -152,31 +161,45 @@ def check(o):
    with assert_raises(TypeError):
        bool(o)

+
 class Foo(object):
    def __bool__(self):
        return self
+
+
 check(Foo())

+
 class Bar(object):
    def __bool__(self):
        return "Yes"
+
+
 check(Bar())

+
 class Baz(int):
    def __bool__(self):
        return self
+
+
 check(Baz())

+
 # __bool__() must return a bool not an int
 class Spam(int):
    def __bool__(self):
        return 1
+
+
 check(Spam())

+
 class Eggs:
    def __len__(self):
        return -1

+
 with assert_raises(ValueError):
    bool(Eggs())

--- a/extra_tests/snippets/builtin_bytearray.py
+++ b/extra_tests/snippets/builtin_bytearray.py
@@ -40,9 +40,11 @@ assert (
 )
 assert repr(bytearray(b"abcd")) == "bytearray(b'abcd')"

+
 class B(bytearray):
    pass

+
 assert repr(B()) == "B(b'')"
 assert (
    repr(B([0, 1, 9, 10, 11, 13, 31, 32, 33, 89, 120, 255]))
@@ -283,9 +285,9 @@ assert bytearray(b"").join(
 ) == bytearray(b"jiljlkmoomkaaaa")
 with assert_raises(TypeError):
    bytearray(b"").join((b"km", "kl"))
-assert bytearray(b"abc").join((
-    bytearray(b"123"), bytearray(b"xyz")
-)) == bytearray(b"123abcxyz")
+assert bytearray(b"abc").join((bytearray(b"123"), bytearray(b"xyz"))) == bytearray(
+    b"123abcxyz"
+)


 # endswith startswith
@@ -372,16 +374,45 @@ assert bytearray(b"   spacious \n  ").rstrip() == bytearray(b"   spacious")
 assert bytearray(b"mississippi").rstrip(b"ipz") == bytearray(b"mississ")


-
 # split
-assert bytearray(b"1,2,3").split(bytearray(b",")) == [bytearray(b"1"), bytearray(b"2"), bytearray(b"3")]
-assert bytearray(b"1,2,3").split(bytearray(b","), maxsplit=1) == [bytearray(b"1"), bytearray(b"2,3")]
-assert bytearray(b"1,2,,3,").split(bytearray(b",")) == [bytearray(b"1"), bytearray(b"2"), bytearray(b""), bytearray(b"3"), bytearray(b"")]
-assert bytearray(b"1 2 3").split() == [bytearray(b"1"), bytearray(b"2"), bytearray(b"3")]
+assert bytearray(b"1,2,3").split(bytearray(b",")) == [
+    bytearray(b"1"),
+    bytearray(b"2"),
+    bytearray(b"3"),
+]
+assert bytearray(b"1,2,3").split(bytearray(b","), maxsplit=1) == [
+    bytearray(b"1"),
+    bytearray(b"2,3"),
+]
+assert bytearray(b"1,2,,3,").split(bytearray(b",")) == [
+    bytearray(b"1"),
+    bytearray(b"2"),
+    bytearray(b""),
+    bytearray(b"3"),
+    bytearray(b""),
+]
+assert bytearray(b"1 2 3").split() == [
+    bytearray(b"1"),
+    bytearray(b"2"),
+    bytearray(b"3"),
+]
 assert bytearray(b"1 2 3").split(maxsplit=1) == [bytearray(b"1"), bytearray(b"2 3")]
-assert bytearray(b"   1   2   3   ").split() == [bytearray(b"1"), bytearray(b"2"), bytearray(b"3")]
-assert bytearray(b"k\ruh\nfz e f").split() == [bytearray(b"k"), bytearray(b"uh"), bytearray(b"fz"), bytearray(b"e"), bytearray(b"f")]
-assert bytearray(b"Two lines\n").split(bytearray(b"\n")) == [bytearray(b"Two lines"), bytearray(b"")]
+assert bytearray(b"   1   2   3   ").split() == [
+    bytearray(b"1"),
+    bytearray(b"2"),
+    bytearray(b"3"),
+]
+assert bytearray(b"k\ruh\nfz e f").split() == [
+    bytearray(b"k"),
+    bytearray(b"uh"),
+    bytearray(b"fz"),
+    bytearray(b"e"),
+    bytearray(b"f"),
+]
+assert bytearray(b"Two lines\n").split(bytearray(b"\n")) == [
+    bytearray(b"Two lines"),
+    bytearray(b""),
+]
 assert bytearray(b"").split() == []
 assert bytearray(b"").split(bytearray(b"\n")) == [bytearray(b"")]
 assert bytearray(b"\n").split(bytearray(b"\n")) == [bytearray(b""), bytearray(b"")]
@@ -534,16 +565,21 @@ while n_sp < len(SPLIT_FIXTURES):
    i = SPLIT_FIXTURES[n_sp]
    sep = None if i[1] == None else bytearray(i[1])
    try:
-        assert bytearray(i[0]).split(sep=sep, maxsplit=i[4]) == [bytearray(j) for j in i[2]]
+        assert bytearray(i[0]).split(sep=sep, maxsplit=i[4]) == [
+            bytearray(j) for j in i[2]
+        ]
    except AssertionError:
        print(i[0], i[1], i[2])
        print(
-            "Expected : ", [list(x) for x in bytearray(i[0]).split(sep=sep, maxsplit=i[4])]
+            "Expected : ",
+            [list(x) for x in bytearray(i[0]).split(sep=sep, maxsplit=i[4])],
        )
        break

    try:
-        assert bytearray(i[0]).rsplit(sep=sep, maxsplit=i[4]) == [bytearray(j) for j in i[3]]
+        assert bytearray(i[0]).rsplit(sep=sep, maxsplit=i[4]) == [
+            bytearray(j) for j in i[3]
+        ]
    except AssertionError:
        print(i[0], i[1], i[2])
        print(
@@ -557,34 +593,61 @@ while n_sp < len(SPLIT_FIXTURES):

 # expandtabs
 a = bytearray(b"\x01\x03\r\x05\t8CYZ\t\x06CYZ\t\x17cba`\n\x12\x13\x14")
-assert (
-    a.expandtabs() == bytearray(b"\x01\x03\r\x05       8CYZ    \x06CYZ    \x17cba`\n\x12\x13\x14")
+assert a.expandtabs() == bytearray(
+    b"\x01\x03\r\x05       8CYZ    \x06CYZ    \x17cba`\n\x12\x13\x14"
+)
+assert a.expandtabs(5) == bytearray(
+    b"\x01\x03\r\x05    8CYZ \x06CYZ \x17cba`\n\x12\x13\x14"
+)
+assert bytearray(b"01\t012\t0123\t01234").expandtabs() == bytearray(
+    b"01      012     0123    01234"
+)
+assert bytearray(b"01\t012\t0123\t01234").expandtabs(4) == bytearray(
+    b"01  012 0123    01234"
 )
-assert a.expandtabs(5) == bytearray(b"\x01\x03\r\x05    8CYZ \x06CYZ \x17cba`\n\x12\x13\x14")
-assert bytearray(b"01\t012\t0123\t01234").expandtabs() == bytearray(b"01      012     0123    01234")
-assert bytearray(b"01\t012\t0123\t01234").expandtabs(4) == bytearray(b"01  012 0123    01234")
 assert bytearray(b"123\t123").expandtabs(-5) == bytearray(b"123123")
 assert bytearray(b"123\t123").expandtabs(0) == bytearray(b"123123")


 # # partition
-assert bytearray(b"123456789").partition(b"45") == ((b"123"), bytearray(b"45"), bytearray(b"6789"))
-assert bytearray(b"14523456789").partition(b"45") == ((b"1"), bytearray(b"45"), bytearray(b"23456789"))
+assert bytearray(b"123456789").partition(b"45") == (
+    (b"123"),
+    bytearray(b"45"),
+    bytearray(b"6789"),
+)
+assert bytearray(b"14523456789").partition(b"45") == (
+    (b"1"),
+    bytearray(b"45"),
+    bytearray(b"23456789"),
+)
 a = bytearray(b"14523456789").partition(b"45")
 assert isinstance(a[1], bytearray)
 a = bytearray(b"14523456789").partition(memoryview(b"45"))
 assert isinstance(a[1], bytearray)

 # partition
-assert bytearray(b"123456789").rpartition(bytearray(b"45")) == ((bytearray(b"123")), bytearray(b"45"), bytearray(b"6789"))
-assert bytearray(b"14523456789").rpartition(bytearray(b"45")) == ((bytearray(b"14523")), bytearray(b"45"), bytearray(b"6789"))
+assert bytearray(b"123456789").rpartition(bytearray(b"45")) == (
+    (bytearray(b"123")),
+    bytearray(b"45"),
+    bytearray(b"6789"),
+)
+assert bytearray(b"14523456789").rpartition(bytearray(b"45")) == (
+    (bytearray(b"14523")),
+    bytearray(b"45"),
+    bytearray(b"6789"),
+)
 a = bytearray(b"14523456789").rpartition(b"45")
 assert isinstance(a[1], bytearray)
 a = bytearray(b"14523456789").rpartition(memoryview(b"45"))
 assert isinstance(a[1], bytearray)

 # splitlines
-assert bytearray(b"ab c\n\nde fg\rkl\r\n").splitlines() == [bytearray(b"ab c"), bytearray(b""), bytearray(b"de fg"), bytearray(b"kl")]
+assert bytearray(b"ab c\n\nde fg\rkl\r\n").splitlines() == [
+    bytearray(b"ab c"),
+    bytearray(b""),
+    bytearray(b"de fg"),
+    bytearray(b"kl"),
+]
 assert bytearray(b"ab c\n\nde fg\rkl\r\n").splitlines(keepends=True) == [
    bytearray(b"ab c\n"),
    bytearray(b"\n"),
@@ -602,11 +665,15 @@ assert bytearray(b"42").zfill(1) == bytearray(b"42")
 assert bytearray(b"42").zfill(-1) == bytearray(b"42")

 # replace
-assert bytearray(b"123456789123").replace(b"23",b"XX") ==bytearray(b'1XX4567891XX')
-assert bytearray(b"123456789123").replace(b"23",b"XX", 1) ==bytearray(b'1XX456789123')
-assert bytearray(b"123456789123").replace(b"23",b"XX", 0) == bytearray(b"123456789123")
-assert bytearray(b"123456789123").replace(b"23",b"XX", -1) ==bytearray(b'1XX4567891XX')
-assert bytearray(b"123456789123").replace(b"23", bytearray(b"")) == bytearray(b"14567891")
+assert bytearray(b"123456789123").replace(b"23", b"XX") == bytearray(b"1XX4567891XX")
+assert bytearray(b"123456789123").replace(b"23", b"XX", 1) == bytearray(b"1XX456789123")
+assert bytearray(b"123456789123").replace(b"23", b"XX", 0) == bytearray(b"123456789123")
+assert bytearray(b"123456789123").replace(b"23", b"XX", -1) == bytearray(
+    b"1XX4567891XX"
+)
+assert bytearray(b"123456789123").replace(b"23", bytearray(b"")) == bytearray(
+    b"14567891"
+)


 # clear
@@ -642,25 +709,24 @@ assert a.pop() == 100

 # title
 assert bytearray(b"Hello world").title() == bytearray(b"Hello World")
-assert (
-    bytearray(b"they're bill's friends from the UK").title()
-    == bytearray(b"They'Re Bill'S Friends From The Uk")
+assert bytearray(b"they're bill's friends from the UK").title() == bytearray(
+    b"They'Re Bill'S Friends From The Uk"
 )


 # repeat by multiply
-a = bytearray(b'abcd')
-assert a * 0 == bytearray(b'')
-assert a * -1 == bytearray(b'')
-assert a * 1 == bytearray(b'abcd')
-assert a * 3 == bytearray(b'abcdabcdabcd')
-assert 3 * a == bytearray(b'abcdabcdabcd')
+a = bytearray(b"abcd")
+assert a * 0 == bytearray(b"")
+assert a * -1 == bytearray(b"")
+assert a * 1 == bytearray(b"abcd")
+assert a * 3 == bytearray(b"abcdabcdabcd")
+assert 3 * a == bytearray(b"abcdabcdabcd")

-a = bytearray(b'abcd')
+a = bytearray(b"abcd")
 a.__imul__(3)
-assert a == bytearray(b'abcdabcdabcd')
+assert a == bytearray(b"abcdabcdabcd")
 a.__imul__(0)
-assert a == bytearray(b'')
+assert a == bytearray(b"")


 # copy
@@ -696,70 +762,89 @@ assert a == bytearray(b"owhello, worlwdo"), a


 # remove
-a = bytearray(b'abcdabcd')
+a = bytearray(b"abcdabcd")
 a.remove(99)  # the letter c
 # Only the first is removed
-assert a == bytearray(b'abdabcd')
+assert a == bytearray(b"abdabcd")


 # reverse
-a = bytearray(b'hello, world')
+a = bytearray(b"hello, world")
 a.reverse()
-assert a == bytearray(b'dlrow ,olleh')
+assert a == bytearray(b"dlrow ,olleh")

 # __setitem__
-a = bytearray(b'test')
+a = bytearray(b"test")
 a[0] = 1
-assert a == bytearray(b'\x01est')
+assert a == bytearray(b"\x01est")
 with assert_raises(TypeError):
-    a[0] = b'a'
+    a[0] = b"a"
 with assert_raises(TypeError):
-    a[0] = memoryview(b'a')
+    a[0] = memoryview(b"a")
 a[:2] = [0, 9]
-assert a == bytearray(b'\x00\x09st')
-a[1:3] = b'test'
-assert a == bytearray(b'\x00testt')
-a[:6] = memoryview(b'test')
-assert a == bytearray(b'test')
+assert a == bytearray(b"\x00\x09st")
+a[1:3] = b"test"
+assert a == bytearray(b"\x00testt")
+a[:6] = memoryview(b"test")
+assert a == bytearray(b"test")

 # mod
-assert bytearray('rust%bpython%b', 'utf-8') % (b' ', b'!') == bytearray(b'rust python!')
-assert bytearray('x=%i y=%f', 'utf-8') % (1, 2.5) == bytearray(b'x=1 y=2.500000')
+assert bytearray("rust%bpython%b", "utf-8") % (b" ", b"!") == bytearray(b"rust python!")
+assert bytearray("x=%i y=%f", "utf-8") % (1, 2.5) == bytearray(b"x=1 y=2.500000")

 # eq, ne
-a = bytearray(b'hello, world')
+a = bytearray(b"hello, world")
 b = a.copy()
 assert a.__ne__(b) is False
-b = bytearray(b'my bytearray')
+b = bytearray(b"my bytearray")
 assert a.__ne__(b) is True

 # pickle
-a = bytearray(b'\xffab\x80\0\0\370\0\0')
-assert pickle.dumps(a, 0) == b'c__builtin__\nbytearray\np0\n(c_codecs\nencode\np1\n(V\xffab\x80\\u0000\\u0000\xf8\\u0000\\u0000\np2\nVlatin1\np3\ntp4\nRp5\ntp6\nRp7\n.'
-assert pickle.dumps(a, 1) == b'c__builtin__\nbytearray\nq\x00(c_codecs\nencode\nq\x01(X\x0c\x00\x00\x00\xc3\xbfab\xc2\x80\x00\x00\xc3\xb8\x00\x00q\x02X\x06\x00\x00\x00latin1q\x03tq\x04Rq\x05tq\x06Rq\x07.'
-assert pickle.dumps(a, 2) == b'\x80\x02c__builtin__\nbytearray\nq\x00c_codecs\nencode\nq\x01X\x0c\x00\x00\x00\xc3\xbfab\xc2\x80\x00\x00\xc3\xb8\x00\x00q\x02X\x06\x00\x00\x00latin1q\x03\x86q\x04Rq\x05\x85q\x06Rq\x07.'
-assert pickle.dumps(a, 3) == b'\x80\x03cbuiltins\nbytearray\nq\x00C\t\xffab\x80\x00\x00\xf8\x00\x00q\x01\x85q\x02Rq\x03.'
-assert pickle.dumps(a, 4) == b'\x80\x04\x95*\x00\x00\x00\x00\x00\x00\x00\x8c\x08builtins\x94\x8c\tbytearray\x94\x93\x94C\t\xffab\x80\x00\x00\xf8\x00\x00\x94\x85\x94R\x94.'
+a = bytearray(b"\xffab\x80\0\0\370\0\0")
+assert (
+    pickle.dumps(a, 0)
+    == b"c__builtin__\nbytearray\np0\n(c_codecs\nencode\np1\n(V\xffab\x80\\u0000\\u0000\xf8\\u0000\\u0000\np2\nVlatin1\np3\ntp4\nRp5\ntp6\nRp7\n."
+)
+assert (
+    pickle.dumps(a, 1)
+    == b"c__builtin__\nbytearray\nq\x00(c_codecs\nencode\nq\x01(X\x0c\x00\x00\x00\xc3\xbfab\xc2\x80\x00\x00\xc3\xb8\x00\x00q\x02X\x06\x00\x00\x00latin1q\x03tq\x04Rq\x05tq\x06Rq\x07."
+)
+assert (
+    pickle.dumps(a, 2)
+    == b"\x80\x02c__builtin__\nbytearray\nq\x00c_codecs\nencode\nq\x01X\x0c\x00\x00\x00\xc3\xbfab\xc2\x80\x00\x00\xc3\xb8\x00\x00q\x02X\x06\x00\x00\x00latin1q\x03\x86q\x04Rq\x05\x85q\x06Rq\x07."
+)
+assert (
+    pickle.dumps(a, 3)
+    == b"\x80\x03cbuiltins\nbytearray\nq\x00C\t\xffab\x80\x00\x00\xf8\x00\x00q\x01\x85q\x02Rq\x03."
+)
+assert (
+    pickle.dumps(a, 4)
+    == b"\x80\x04\x95*\x00\x00\x00\x00\x00\x00\x00\x8c\x08builtins\x94\x8c\tbytearray\x94\x93\x94C\t\xffab\x80\x00\x00\xf8\x00\x00\x94\x85\x94R\x94."
+)
+

 # pickle with subclass
 class A(bytes):
    pass

+
 a = A()
 a.x = 10
-a.y = A(b'123')
+a.y = A(b"123")
 b = pickle.loads(pickle.dumps(a, 4))
 assert type(a) == type(b)
 assert a.x == b.x
 assert a.y == b.y
 assert a == b

+
 class B(bytearray):
    pass

+
 a = B()
 a.x = 10
-a.y = B(b'123')
+a.y = B(b"123")
 b = pickle.loads(pickle.dumps(a, 4))
 assert type(a) == type(b)
 assert a.x == b.x
@@ -768,4 +853,6 @@ assert a == b

 a = bytearray()
 for i in range(-1, 2, 1):
-    assert_raises(IndexError, lambda: a[-sys.maxsize - i], _msg='bytearray index out of range')
+    assert_raises(
+        IndexError, lambda: a[-sys.maxsize - i], _msg="bytearray index out of range"
+    )
--- a/extra_tests/snippets/builtin_bytes.py
+++ b/extra_tests/snippets/builtin_bytes.py
@@ -596,51 +596,56 @@ assert (


 # repeat by multiply
-a = b'abcd'
-assert a * 0 == b''
-assert a * -1 == b''
-assert a * 1 == b'abcd'
-assert a * 3 == b'abcdabcdabcd'
-assert 3 * a == b'abcdabcdabcd'
+a = b"abcd"
+assert a * 0 == b""
+assert a * -1 == b""
+assert a * 1 == b"abcd"
+assert a * 3 == b"abcdabcdabcd"
+assert 3 * a == b"abcdabcdabcd"

 # decode
-assert b'\x72\x75\x73\x74'.decode('ascii') == 'rust'
-assert b'\xc2\xae\x75\x73\x74'.decode('ascii', 'replace') == '<EFBFBD><EFBFBD>ust'
-assert b'\xc2\xae\x75\x73\x74'.decode('ascii', 'ignore') == 'ust'
-assert b'\xc2\xae\x75\x73\x74'.decode('utf-8') == '®ust'
-assert b'\xc2\xae\x75\x73\x74'.decode() == '®ust'
-assert b'\xe4\xb8\xad\xe6\x96\x87\xe5\xad\x97'.decode('utf-8') == '中文字'
+assert b"\x72\x75\x73\x74".decode("ascii") == "rust"
+assert b"\xc2\xae\x75\x73\x74".decode("ascii", "replace") == "<EFBFBD><EFBFBD>ust"
+assert b"\xc2\xae\x75\x73\x74".decode("ascii", "ignore") == "ust"
+assert b"\xc2\xae\x75\x73\x74".decode("utf-8") == "®ust"
+assert b"\xc2\xae\x75\x73\x74".decode() == "®ust"
+assert b"\xe4\xb8\xad\xe6\x96\x87\xe5\xad\x97".decode("utf-8") == "中文字"

 # mod
-assert b'rust%bpython%b' % (b' ', b'!') == b'rust python!'
-assert b'x=%i y=%f' % (1, 2.5) == b'x=1 y=2.500000'
+assert b"rust%bpython%b" % (b" ", b"!") == b"rust python!"
+assert b"x=%i y=%f" % (1, 2.5) == b"x=1 y=2.500000"
+

 # __bytes__
 def test__bytes__():
-    foo = b'foo\x00bar'
+    foo = b"foo\x00bar"
    assert foo.__bytes__() == foo
    assert type(foo.__bytes__()) == bytes
+
    class bytes_subclass(bytes):
        pass
-    bar = bytes_subclass(b'bar\x00foo')
+
+    bar = bytes_subclass(b"bar\x00foo")
    assert bar.__bytes__() == bar
    assert type(bar.__bytes__()) == bytes

+
 class A:
    def __bytes__(self):
        return b"bytess"

+
 assert bytes(A()) == b"bytess"

 # Issue #2125
-b = b'abc'
+b = b"abc"
 assert bytes(b) is b


 # Regression to
 # https://github.com/RustPython/RustPython/issues/2840

-a = b'123abc!?'
+a = b"123abc!?"
 assert id(a) == id(a)
 assert id(a) != id(a * -1)
 assert id(a) != id(a * 0)
@@ -652,20 +657,24 @@ assert id(a) != id(a * 2)
 class SubBytes(bytes):
    pass

-b = SubBytes(b'0123abc*&')
+
+b = SubBytes(b"0123abc*&")
 assert id(b) == id(b)
 assert id(b) != id(b * -1)
 assert id(b) != id(b * 0)
 assert id(b) != id(b * 1)
 assert id(b) != id(b * 2)

+
 class B1(bytearray):
    def __new__(cls, value):
        assert type(value) == bytes
        me = super().__new__(cls, value)
-        me.foo = 'bar'
+        me.foo = "bar"
        return me
-b = B1.fromhex('a0a1a2')
-assert b.foo == 'bar'

-skip_if_unsupported(3,11,test__bytes__)
+
+b = B1.fromhex("a0a1a2")
+assert b.foo == "bar"
+
+skip_if_unsupported(3, 11, test__bytes__)
--- a/extra_tests/snippets/builtin_callable.py
+++ b/extra_tests/snippets/builtin_callable.py
@@ -1,25 +1,48 @@
 assert not callable(1)
-def f(): pass
+
+
+def f():
+    pass
+
+
 assert callable(f)
 assert callable(len)
 assert callable(lambda: 1)
 assert callable(int)

+
 class C:
    def __init__(self):
        # must be defined on class
        self.__call__ = lambda self: 1
-    def f(self): pass
+
+    def f(self):
+        pass
+
+
 assert callable(C)
 assert not callable(C())
 assert callable(C().f)

+
 class C:
-    def __call__(self): pass
+    def __call__(self):
+        pass
+
+
 assert callable(C())
-class C1(C): pass
+
+
+class C1(C):
+    pass
+
+
 assert callable(C1())
+
+
 class C:
    __call__ = 1
+
+
 # CPython returns true here, but fails when actually calling it
 assert callable(C())
--- a/extra_tests/snippets/builtin_chr.py
+++ b/extra_tests/snippets/builtin_chr.py
@@ -4,5 +4,7 @@ assert "a" == chr(97)
 assert "é" == chr(233)
 assert "🤡" == chr(129313)

-assert_raises(TypeError, chr, _msg='chr() takes exactly one argument (0 given)')
-assert_raises(ValueError, chr, 0x110005, _msg='ValueError: chr() arg not in range(0x110000)')
+assert_raises(TypeError, chr, _msg="chr() takes exactly one argument (0 given)")
+assert_raises(
+    ValueError, chr, 0x110005, _msg="ValueError: chr() arg not in range(0x110000)"
+)
--- a/extra_tests/snippets/builtin_dict.py
+++ b/extra_tests/snippets/builtin_dict.py
@@ -5,49 +5,49 @@ assert len(dict()) == 0
 assert len({}) == 0
 assert len({"a": "b"}) == 1
 assert len({"a": "b", "b": 1}) == 2
-assert len({"a": "b", "b": 1, "a" + "b": 2*2}) == 3
+assert len({"a": "b", "b": 1, "a" + "b": 2 * 2}) == 3

 d = {}
-d['a'] = d
+d["a"] = d
 assert repr(d) == "{'a': {...}}"

-assert {'a': 123}.get('a') == 123
-assert {'a': 123}.get('b') == None
-assert {'a': 123}.get('b', 456) == 456
+assert {"a": 123}.get("a") == 123
+assert {"a": 123}.get("b") == None
+assert {"a": 123}.get("b", 456) == 456

-d = {'a': 123, 'b': 456}
-assert list(reversed(d)) == ['b', 'a']
-assert list(reversed(d.keys())) == ['b', 'a']
+d = {"a": 123, "b": 456}
+assert list(reversed(d)) == ["b", "a"]
+assert list(reversed(d.keys())) == ["b", "a"]
 assert list(reversed(d.values())) == [456, 123]
-assert list(reversed(d.items())) == [('b', 456), ('a', 123)]
+assert list(reversed(d.items())) == [("b", 456), ("a", 123)]
 with assert_raises(StopIteration):
    dict_reversed = reversed(d)
    for _ in range(len(d) + 1):
        next(dict_reversed)
-assert 'dict' in dict().__doc__
+assert "dict" in dict().__doc__

-d = {'a': 123, 'b': 456}
+d = {"a": 123, "b": 456}
 assert 1 not in d.items()
-assert 'a' not in d.items()
-assert 'a', 123 not in d.items()
+assert "a" not in d.items()
+assert "a", 123 not in d.items()
 assert () not in d.items()
 assert (1) not in d.items()
-assert ('a') not in d.items()
-assert ('a', 123) in d.items()
-assert ('b', 456) in d.items()
-assert ('a', 123, 3) not in d.items()
-assert ('a', 123, 'b', 456) not in d.items()
+assert ("a") not in d.items()
+assert ("a", 123) in d.items()
+assert ("b", 456) in d.items()
+assert ("a", 123, 3) not in d.items()
+assert ("a", 123, "b", 456) not in d.items()

-d = {1: 10, "a": "ABC", (3,4): 5}
+d = {1: 10, "a": "ABC", (3, 4): 5}
 assert 1 in d.keys()
 assert (1) in d.keys()
 assert "a" in d.keys()
-assert (3,4) in d.keys()
+assert (3, 4) in d.keys()
 assert () not in d.keys()
 assert 10 not in d.keys()
 assert (1, 10) not in d.keys()
 assert "abc" not in d.keys()
-assert ((3,4),5) not in d.keys()
+assert ((3, 4), 5) not in d.keys()

 d1 = {"a": 1, "b": 2}
 d2 = {"c": 3, "d": 4}
@@ -64,55 +64,55 @@ assert not d1.items().isdisjoint(d2.items())
 assert not d1.keys().isdisjoint(d2.keys())


-assert dict(a=2, b=3) == {'a': 2, 'b': 3}
-assert dict({'a': 2, 'b': 3}, b=4) == {'a': 2, 'b': 4}
-assert dict([('a', 2), ('b', 3)]) == {'a': 2, 'b': 3}
+assert dict(a=2, b=3) == {"a": 2, "b": 3}
+assert dict({"a": 2, "b": 3}, b=4) == {"a": 2, "b": 4}
+assert dict([("a", 2), ("b", 3)]) == {"a": 2, "b": 3}

 assert {} == {}
-assert not {'a': 2} == {}
-assert not {} == {'a': 2}
-assert not {'b': 2} == {'a': 2}
-assert not {'a': 4} == {'a': 2}
-assert {'a': 2} == {'a': 2}
+assert not {"a": 2} == {}
+assert not {} == {"a": 2}
+assert not {"b": 2} == {"a": 2}
+assert not {"a": 4} == {"a": 2}
+assert {"a": 2} == {"a": 2}

-nan = float('nan')
-assert {'a': nan} == {'a': nan}
+nan = float("nan")
+assert {"a": nan} == {"a": nan}

-a = {'g': 5}
-b = {'a': a, 'd': 9}
+a = {"g": 5}
+b = {"a": a, "d": 9}
 c = dict(b)
-c['d'] = 3
-c['a']['g'] = 2
-assert a == {'g': 2}
-assert b == {'a': a, 'd': 9}
+c["d"] = 3
+c["a"]["g"] = 2
+assert a == {"g": 2}
+assert b == {"a": a, "d": 9}

 a.clear()
 assert len(a) == 0

-a = {'a': 5, 'b': 6}
+a = {"a": 5, "b": 6}
 res = set()
 for value in a.values():
-        res.add(value)
-assert res == set([5,6])
+    res.add(value)
+assert res == set([5, 6])

 count = 0
-for (key, value) in a.items():
-        assert a[key] == value
-        count += 1
+for key, value in a.items():
+    assert a[key] == value
+    count += 1
 assert count == len(a)

 res = set()
 for key in a.keys():
-        res.add(key)
-assert res == set(['a','b'])
+    res.add(key)
+assert res == set(["a", "b"])

 # Deleted values are correctly skipped over:
-x = {'a': 1, 'b': 2, 'c': 3, 'd': 3}
-del x['c']
+x = {"a": 1, "b": 2, "c": 3, "d": 3}
+del x["c"]
 it = iter(x.items())
-assert ('a', 1) == next(it)
-assert ('b', 2) == next(it)
-assert ('d', 3) == next(it)
+assert ("a", 1) == next(it)
+assert ("b", 2) == next(it)
+assert ("d", 3) == next(it)
 with assert_raises(StopIteration):
    next(it)

@@ -121,7 +121,7 @@ with assert_raises(KeyError) as cm:
 assert cm.exception.args[0] == 10

 # Iterating a dictionary is just its keys:
-assert ['a', 'b', 'd'] == list(x)
+assert ["a", "b", "d"] == list(x)

 # Iterating view captures dictionary when iterated.
 data = {1: 2, 3: 4}
@@ -140,12 +140,12 @@ assert (3, "changed") == next(items)
 # But we can't add or delete items during iteration.
 d = {}
 a = iter(d.items())
-d['a'] = 2
+d["a"] = 2
 b = iter(d.items())
-assert ('a', 2) == next(b)
+assert ("a", 2) == next(b)
 with assert_raises(RuntimeError):
    next(a)
-del d['a']
+del d["a"]
 with assert_raises(RuntimeError):
    next(b)

@@ -164,21 +164,23 @@ x[2] = 2
 x[(5, 6)] = 5

 with assert_raises(TypeError):
-    x[[]] # Unhashable type.
+    x[[]]  # Unhashable type.

 x["here"] = "here"
 assert x.get("not here", "default") == "default"
 assert x.get("here", "default") == "here"
 assert x.get("not here") == None

+
 class LengthDict(dict):
    def __getitem__(self, k):
        return len(k)

+
 x = LengthDict()
 assert type(x) == LengthDict
-assert x['word'] == 4
-assert x.get('word') is None
+assert x["word"] == 4
+assert x.get("word") is None

 assert 5 == eval("a + word", LengthDict())

@@ -189,15 +191,19 @@ class Squares(dict):
        self[k] = v
        return v

+
 x = Squares()
 assert x[-5] == 25

+
 # An object that hashes to the same value always, and compares equal if any its values match.
 class Hashable(object):
    def __init__(self, *args):
        self.values = args
+
    def __hash__(self):
        return 1
+
    def __eq__(self, other):
        for x in self.values:
            for y in other.values:
@@ -205,39 +211,40 @@ class Hashable(object):
                    return True
        return False

-x = {}
-x[Hashable(1,2)] = 8

-assert x[Hashable(1,2)] == 8
-assert x[Hashable(3,1)] == 8
+x = {}
+x[Hashable(1, 2)] = 8
+
+assert x[Hashable(1, 2)] == 8
+assert x[Hashable(3, 1)] == 8

 x[Hashable(8)] = 19
-x[Hashable(19,8)] = 1
+x[Hashable(19, 8)] = 1
 assert x[Hashable(8)] == 1
 assert len(x) == 2

-assert list({'a': 2, 'b': 10}) == ['a', 'b']
+assert list({"a": 2, "b": 10}) == ["a", "b"]
 x = {}
-x['a'] = 2
-x['b'] = 10
-assert list(x) == ['a', 'b']
+x["a"] = 2
+x["b"] = 10
+assert list(x) == ["a", "b"]

 y = x.copy()
-x['c'] = 12
-assert y == {'a': 2, 'b': 10}
+x["c"] = 12
+assert y == {"a": 2, "b": 10}

-y.update({'c': 19, "d": -1, 'b': 12})
-assert y == {'a': 2, 'b': 12, 'c': 19, 'd': -1}
+y.update({"c": 19, "d": -1, "b": 12})
+assert y == {"a": 2, "b": 12, "c": 19, "d": -1}

 y.update(y)
-assert y == {'a': 2, 'b': 12, 'c': 19, 'd': -1}  # hasn't changed
+assert y == {"a": 2, "b": 12, "c": 19, "d": -1}  # hasn't changed

 # KeyError has object that used as key as an .args[0]
 with assert_raises(KeyError) as cm:
-    x['not here']
+    x["not here"]
 assert cm.exception.args[0] == "not here"
 with assert_raises(KeyError) as cm:
-    x.pop('not here')
+    x.pop("not here")
 assert cm.exception.args[0] == "not here"

 with assert_raises(KeyError) as cm:
@@ -247,7 +254,11 @@ with assert_raises(KeyError) as cm:
    x.pop(10)
 assert cm.exception.args[0] == 10

-class MyClass: pass
+
+class MyClass:
+    pass
+
+
 obj = MyClass()

 with assert_raises(KeyError) as cm:
@@ -257,49 +268,65 @@ with assert_raises(KeyError) as cm:
    x.pop(obj)
 assert cm.exception.args[0] == obj

-x = {1: 'a', '1': None}
-assert x.pop(1) == 'a'
-assert x.pop('1') is None
+x = {1: "a", "1": None}
+assert x.pop(1) == "a"
+assert x.pop("1") is None
 assert x == {}

-x = {1: 'a'}
-assert (1, 'a') == x.popitem()
+x = {1: "a"}
+assert (1, "a") == x.popitem()
 assert x == {}
 with assert_raises(KeyError) as cm:
    x.popitem()
-assert cm.exception.args == ('popitem(): dictionary is empty',)
+assert cm.exception.args == ("popitem(): dictionary is empty",)

-x = {'a': 4}
-assert 4 == x.setdefault('a', 0)
-assert x['a'] == 4
-assert 0 == x.setdefault('b', 0)
-assert x['b'] == 0
-assert None == x.setdefault('c')
-assert x['c'] is None
+x = {"a": 4}
+assert 4 == x.setdefault("a", 0)
+assert x["a"] == 4
+assert 0 == x.setdefault("b", 0)
+assert x["b"] == 0
+assert None == x.setdefault("c")
+assert x["c"] is None

 assert {1: None, "b": None} == dict.fromkeys([1, "b"])
 assert {1: 0, "b": 0} == dict.fromkeys([1, "b"], 0)

-x = {'a': 1, 'b': 1, 'c': 1}
-y = {'b': 2, 'c': 2, 'd': 2}
-z = {'c': 3, 'd': 3, 'e': 3}
+x = {"a": 1, "b": 1, "c": 1}
+y = {"b": 2, "c": 2, "d": 2}
+z = {"c": 3, "d": 3, "e": 3}

 w = {1: 1, **x, 2: 2, **y, 3: 3, **z, 4: 4}
-assert w == {1: 1, 'a': 1, 'b': 2, 'c': 3, 2: 2, 'd': 3, 3: 3, 'e': 3, 4: 4}  # not in cpython test suite
+assert w == {
+    1: 1,
+    "a": 1,
+    "b": 2,
+    "c": 3,
+    2: 2,
+    "d": 3,
+    3: 3,
+    "e": 3,
+    4: 4,
+}  # not in cpython test suite

 assert str({True: True, 1.0: 1.0}) == str({True: 1.0})

+
 class A:
    def __hash__(self):
        return 1
+
    def __eq__(self, other):
        return isinstance(other, A)
+
+
 class B:
    def __hash__(self):
        return 1
+
    def __eq__(self, other):
        return isinstance(other, B)

+
 s = {1: 0, A(): 1, B(): 2}
 assert len(s) == 3
 assert s[1] == 0
@@ -307,19 +334,19 @@ assert s[A()] == 1
 assert s[B()] == 2

 # Test dict usage in set with star expressions!
-a = {'bla': 2}
-b = {'c': 44, 'bla': 332, 'd': 6}
-x = ['bla', 'c', 'd', 'f']
+a = {"bla": 2}
+b = {"c": 44, "bla": 332, "d": 6}
+x = ["bla", "c", "d", "f"]
 c = {*a, *b, *x}
 # print(c, type(c))
 assert isinstance(c, set)
-assert c == {'bla', 'c', 'd', 'f'}
+assert c == {"bla", "c", "d", "f"}

 assert not {}.__ne__({})
-assert {}.__ne__({'a':'b'})
+assert {}.__ne__({"a": "b"})
 assert {}.__ne__(1) == NotImplemented

-it = iter({0: 1, 2: 3, 4:5, 6:7})
+it = iter({0: 1, 2: 3, 4: 5, 6: 7})
 assert it.__length_hint__() == 4
 next(it)
 assert it.__length_hint__() == 3
--- a/extra_tests/snippets/builtin_dict_union.py
+++ b/extra_tests/snippets/builtin_dict_union.py
@@ -1,78 +1,91 @@
-
 from testutils import assert_raises, skip_if_unsupported

-def test_dunion_ior0():
-    a={1:2,2:3}
-    b={3:4,5:6}
-    a|=b

-    assert a == {1:2,2:3,3:4,5:6}, f"wrong value assigned {a=}"
-    assert b == {3:4,5:6}, f"right hand side modified, {b=}"
+def test_dunion_ior0():
+    a = {1: 2, 2: 3}
+    b = {3: 4, 5: 6}
+    a |= b
+
+    assert a == {1: 2, 2: 3, 3: 4, 5: 6}, f"wrong value assigned {a=}"
+    assert b == {3: 4, 5: 6}, f"right hand side modified, {b=}"
+

 def test_dunion_or0():
-    a={1:2,2:3}
-    b={3:4,5:6}
-    c=a|b
+    a = {1: 2, 2: 3}
+    b = {3: 4, 5: 6}
+    c = a | b

-    assert a == {1:2,2:3}, f"left hand side of non-assignment operator modified {a=}"
-    assert b == {3:4,5:6}, f"right hand side of non-assignment operator modified, {b=}"
-    assert c == {1:2,2:3, 3:4, 5:6}, f"unexpected result of dict union {c=}"
+    assert a == {1: 2, 2: 3}, f"left hand side of non-assignment operator modified {a=}"
+    assert b == {3: 4, 5: 6}, (
+        f"right hand side of non-assignment operator modified, {b=}"
+    )
+    assert c == {1: 2, 2: 3, 3: 4, 5: 6}, f"unexpected result of dict union {c=}"


 def test_dunion_or1():
-    a={1:2,2:3}
-    b={3:4,5:6}
-    c=a.__or__(b)
+    a = {1: 2, 2: 3}
+    b = {3: 4, 5: 6}
+    c = a.__or__(b)

-    assert a == {1:2,2:3}, f"left hand side of non-assignment operator modified {a=}"
-    assert b == {3:4,5:6}, f"right hand side of non-assignment operator modified, {b=}"
-    assert c == {1:2,2:3, 3:4, 5:6}, f"unexpected result of dict union {c=}"
+    assert a == {1: 2, 2: 3}, f"left hand side of non-assignment operator modified {a=}"
+    assert b == {3: 4, 5: 6}, (
+        f"right hand side of non-assignment operator modified, {b=}"
+    )
+    assert c == {1: 2, 2: 3, 3: 4, 5: 6}, f"unexpected result of dict union {c=}"


 def test_dunion_ror0():
-    a={1:2,2:3}
-    b={3:4,5:6}
-    c=b.__ror__(a)
+    a = {1: 2, 2: 3}
+    b = {3: 4, 5: 6}
+    c = b.__ror__(a)

-    assert a == {1:2,2:3}, f"left hand side of non-assignment operator modified {a=}"
-    assert b == {3:4,5:6}, f"right hand side of non-assignment operator modified, {b=}"
-    assert c == {1:2,2:3, 3:4, 5:6}, f"unexpected result of dict union {c=}"
+    assert a == {1: 2, 2: 3}, f"left hand side of non-assignment operator modified {a=}"
+    assert b == {3: 4, 5: 6}, (
+        f"right hand side of non-assignment operator modified, {b=}"
+    )
+    assert c == {1: 2, 2: 3, 3: 4, 5: 6}, f"unexpected result of dict union {c=}"


 def test_dunion_other_types():
    def perf_test_or(other_obj):
-        d={1:2}
+        d = {1: 2}
        return d.__or__(other_obj) is NotImplemented

    def perf_test_ror(other_obj):
-        d={1:2}
+        d = {1: 2}
        return d.__ror__(other_obj) is NotImplemented

-    test_fct={'__or__':perf_test_or, '__ror__':perf_test_ror}
-    others=['FooBar', 42, [36], set([19]), ['aa'], None]
-    for tfn,tf in test_fct.items():
+    test_fct = {"__or__": perf_test_or, "__ror__": perf_test_ror}
+    others = ["FooBar", 42, [36], set([19]), ["aa"], None]
+    for tfn, tf in test_fct.items():
        for other in others:
            assert tf(other), f"Failed: dict {tfn}, accepted {other}"

    # __ior__() has different behavior and needs to be tested separately
    d = {1: 2}
-    assert_raises(ValueError,
-                  lambda: d.__ior__('FooBar'),
-                  _msg='dictionary update sequence element #0 has length 1; 2 is required')
-    assert_raises(TypeError,
-                  lambda: d.__ior__(42),
-                  _msg='\'int\' object is not iterable')
-    assert_raises(TypeError,
-                  lambda: d.__ior__([36]),
-                  _msg='cannot convert dictionary update sequence element #0 to a sequence')
-    assert_raises(TypeError,
-                  lambda: d.__ior__(set([36])),
-                  _msg='cannot convert dictionary update sequence element #0 to a sequence')
-    res = d.__ior__(['aa'])
-    assert res == {1: 2, 'a': 'a'}, f"unexpected result of dict union {res=}"
-    assert_raises(TypeError,
-                  lambda: d.__ior__(None),
-                  _msg='TypeError: \'NoneType\' object is not iterable')
+    assert_raises(
+        ValueError,
+        lambda: d.__ior__("FooBar"),
+        _msg="dictionary update sequence element #0 has length 1; 2 is required",
+    )
+    assert_raises(TypeError, lambda: d.__ior__(42), _msg="'int' object is not iterable")
+    assert_raises(
+        TypeError,
+        lambda: d.__ior__([36]),
+        _msg="cannot convert dictionary update sequence element #0 to a sequence",
+    )
+    assert_raises(
+        TypeError,
+        lambda: d.__ior__(set([36])),
+        _msg="cannot convert dictionary update sequence element #0 to a sequence",
+    )
+    res = d.__ior__(["aa"])
+    assert res == {1: 2, "a": "a"}, f"unexpected result of dict union {res=}"
+    assert_raises(
+        TypeError,
+        lambda: d.__ior__(None),
+        _msg="TypeError: 'NoneType' object is not iterable",
+    )


 skip_if_unsupported(3, 9, test_dunion_ior0)
--- a/extra_tests/snippets/builtin_dir.py
+++ b/extra_tests/snippets/builtin_dir.py
@@ -1,9 +1,11 @@
 assert isinstance(dir(), list)
-assert '__builtins__' in dir()
+assert "__builtins__" in dir()
+

 class A:
-	def test():
-		pass
+    def test():
+        pass
+

 a = A()

@@ -13,24 +15,30 @@ assert "test" in dir(A), "test not in A"
 a.x = 3
 assert "x" in dir(a), "x not in a"

+
 class B(A):
-	def __dir__(self):
-		return ('q', 'h')
+    def __dir__(self):
+        return ("q", "h")
+

 # Gets sorted and turned into a list
-assert ['h', 'q'] == dir(B())
+assert ["h", "q"] == dir(B())

 # This calls type.__dir__ so isn't changed (but inheritance works)!
-assert 'test' in dir(A)
+assert "test" in dir(A)
+

 # eval() takes any mapping-like type, so dir() must support them
 # TODO: eval() should take any mapping as locals, not just dict-derived types
 class A(dict):
-	def __getitem__(self, x):
-		return dir
-	def keys(self):
-		yield 6
-		yield 5
+    def __getitem__(self, x):
+        return dir
+
+    def keys(self):
+        yield 6
+        yield 5
+
+
 assert eval("dir()", {}, A()) == [5, 6]

 import socket
--- a/extra_tests/snippets/builtin_divmod.py
+++ b/extra_tests/snippets/builtin_divmod.py
@@ -1,9 +1,9 @@
 from testutils import assert_raises

 assert divmod(11, 3) == (3, 2)
-assert divmod(8,11) == (0, 8)
+assert divmod(8, 11) == (0, 8)
 assert divmod(0.873, 0.252) == (3.0, 0.11699999999999999)
 assert divmod(-86340, 86400) == (-1, 60)

-assert_raises(ZeroDivisionError, divmod, 5, 0, _msg='divmod by zero')
-assert_raises(ZeroDivisionError, divmod, 5.0, 0.0, _msg='divmod by zero')
+assert_raises(ZeroDivisionError, divmod, 5, 0, _msg="divmod by zero")
+assert_raises(ZeroDivisionError, divmod, 5.0, 0.0, _msg="divmod by zero")
--- a/extra_tests/snippets/builtin_ellipsis.py
+++ b/extra_tests/snippets/builtin_ellipsis.py
@@ -1,5 +1,3 @@
-
-
 a = ...
 b = ...
 c = type(a)()  # Test singleton behavior
@@ -11,22 +9,22 @@ assert b is c
 assert b is d
 assert d is e

-assert Ellipsis.__repr__() == 'Ellipsis'
-assert Ellipsis.__reduce__() == 'Ellipsis'
+assert Ellipsis.__repr__() == "Ellipsis"
+assert Ellipsis.__reduce__() == "Ellipsis"
 assert type(Ellipsis).__new__(type(Ellipsis)) == Ellipsis
-assert type(Ellipsis).__reduce__(Ellipsis) == 'Ellipsis'
+assert type(Ellipsis).__reduce__(Ellipsis) == "Ellipsis"
 try:
    type(Ellipsis).__new__(type(1))
 except TypeError:
    pass
 else:
-    assert False, '`Ellipsis.__new__` should only accept `type(Ellipsis)` as argument'
+    assert False, "`Ellipsis.__new__` should only accept `type(Ellipsis)` as argument"
 try:
    type(Ellipsis).__reduce__(1)
 except TypeError:
    pass
 else:
-    assert False, '`Ellipsis.__reduce__` should only accept `Ellipsis` as argument'
+    assert False, "`Ellipsis.__reduce__` should only accept `Ellipsis` as argument"

 assert Ellipsis is ...
 Ellipsis = 2
--- a/extra_tests/snippets/builtin_enumerate.py
+++ b/extra_tests/snippets/builtin_enumerate.py
@@ -1,9 +1,14 @@
-assert list(enumerate(['a', 'b', 'c'])) == [(0, 'a'), (1, 'b'), (2, 'c')]
+assert list(enumerate(["a", "b", "c"])) == [(0, "a"), (1, "b"), (2, "c")]

 assert type(enumerate([])) == enumerate

-assert list(enumerate(['a', 'b', 'c'], -100)) == [(-100, 'a'), (-99, 'b'), (-98, 'c')]
-assert list(enumerate(['a', 'b', 'c'], 2**200)) == [(2**200, 'a'), (2**200 + 1, 'b'), (2**200 + 2, 'c')]
+assert list(enumerate(["a", "b", "c"], -100)) == [(-100, "a"), (-99, "b"), (-98, "c")]
+assert list(enumerate(["a", "b", "c"], 2**200)) == [
+    (2**200, "a"),
+    (2**200 + 1, "b"),
+    (2**200 + 2, "c"),
+]
+

 # test infinite iterator
 class Counter(object):
--- a/extra_tests/snippets/builtin_eval.py
+++ b/extra_tests/snippets/builtin_eval.py
@@ -1,4 +1,4 @@
-assert 3 == eval('1+2')
+assert 3 == eval("1+2")

-code = compile('5+3', 'x.py', 'eval')
+code = compile("5+3", "x.py", "eval")
 assert eval(code) == 8
--- a/extra_tests/snippets/builtin_exceptions.py
+++ b/extra_tests/snippets/builtin_exceptions.py
@@ -3,41 +3,48 @@ import platform
 import pickle
 import sys

+
 def exceptions_eq(e1, e2):
    return type(e1) is type(e2) and e1.args == e2.args

+
 def round_trip_repr(e):
    return exceptions_eq(e, eval(repr(e)))

+
 # KeyError
 empty_exc = KeyError()
-assert str(empty_exc) == ''
+assert str(empty_exc) == ""
 assert round_trip_repr(empty_exc)
 assert len(empty_exc.args) == 0
 assert type(empty_exc.args) == tuple

-exc = KeyError('message')
+exc = KeyError("message")
 assert str(exc) == "'message'"
 assert round_trip_repr(exc)

 assert LookupError.__str__(exc) == "message"

-exc = KeyError('message', 'another message')
+exc = KeyError("message", "another message")
 assert str(exc) == "('message', 'another message')"
 assert round_trip_repr(exc)
-assert exc.args[0] == 'message'
-assert exc.args[1] == 'another message'
+assert exc.args[0] == "message"
+assert exc.args[1] == "another message"
+

 class A:
    def __repr__(self):
-        return 'A()'
+        return "A()"
+
    def __str__(self):
-        return 'str'
+        return "str"
+
    def __eq__(self, other):
        return type(other) is A

+
 exc = KeyError(A())
-assert str(exc) == 'A()'
+assert str(exc) == "A()"
 assert round_trip_repr(exc)

 # ImportError / ModuleNotFoundError
@@ -47,33 +54,32 @@ assert exc.path is None
 assert exc.msg is None
 assert exc.args == ()

-exc = ImportError('hello')
+exc = ImportError("hello")
 assert exc.name is None
 assert exc.path is None
-assert exc.msg == 'hello'
-assert exc.args == ('hello',)
+assert exc.msg == "hello"
+assert exc.args == ("hello",)

-exc = ImportError('hello', name='name', path='path')
-assert exc.name == 'name'
-assert exc.path == 'path'
-assert exc.msg == 'hello'
-assert exc.args == ('hello',)
+exc = ImportError("hello", name="name", path="path")
+assert exc.name == "name"
+assert exc.path == "path"
+assert exc.msg == "hello"
+assert exc.args == ("hello",)


 class NewException(Exception):
-
-	def __init__(self, value):
-		self.value = value
+    def __init__(self, value):
+        self.value = value


 try:
-	raise NewException("test")
+    raise NewException("test")
 except NewException as e:
-	assert e.value == "test"
+    assert e.value == "test"


-exc = SyntaxError('msg', 1, 2, 3, 4, 5)
-assert exc.msg == 'msg'
+exc = SyntaxError("msg", 1, 2, 3, 4, 5)
+assert exc.msg == "msg"
 assert exc.filename is None
 assert exc.lineno is None
 assert exc.offset is None
@@ -82,11 +88,12 @@ assert exc.text is None
 # Regression to:
 # https://github.com/RustPython/RustPython/issues/2779

+
 class MyError(Exception):
    pass


-e = MyError('message')
+e = MyError("message")

 try:
    raise e from e
@@ -97,23 +104,23 @@ except MyError as exc:
    assert exc.__cause__ is e
    assert exc.__context__ is None
 else:
-    assert False, 'exception not raised'
+    assert False, "exception not raised"

 try:
-    raise ValueError('test') from e
+    raise ValueError("test") from e
 except ValueError as exc:
    sys.excepthook(type(exc), exc, exc.__traceback__)  # ok, will print two excs
    assert isinstance(exc, ValueError)
    assert exc.__cause__ is e
    assert exc.__context__ is None
 else:
-    assert False, 'exception not raised'
+    assert False, "exception not raised"


 # New case:
 # potential recursion on `__context__` field

-e = MyError('message')
+e = MyError("message")

 try:
    try:
@@ -121,15 +128,15 @@ try:
    except MyError as exc:
        raise e
    else:
-        assert False, 'exception not raised'
+        assert False, "exception not raised"
 except MyError as exc:
    sys.excepthook(type(exc), exc, exc.__traceback__)
    assert exc.__cause__ is None
    assert exc.__context__ is None
 else:
-    assert False, 'exception not raised'
+    assert False, "exception not raised"

-e = MyError('message')
+e = MyError("message")

 try:
    try:
@@ -137,15 +144,15 @@ try:
    except MyError as exc:
        raise exc
    else:
-        assert False, 'exception not raised'
+        assert False, "exception not raised"
 except MyError as exc:
    sys.excepthook(type(exc), exc, exc.__traceback__)
    assert exc.__cause__ is None
    assert exc.__context__ is None
 else:
-    assert False, 'exception not raised'
+    assert False, "exception not raised"

-e = MyError('message')
+e = MyError("message")

 try:
    try:
@@ -153,15 +160,15 @@ try:
    except MyError as exc:
        raise e from e
    else:
-        assert False, 'exception not raised'
+        assert False, "exception not raised"
 except MyError as exc:
    sys.excepthook(type(exc), exc, exc.__traceback__)
    assert exc.__cause__ is e
    assert exc.__context__ is None
 else:
-    assert False, 'exception not raised'
+    assert False, "exception not raised"

-e = MyError('message')
+e = MyError("message")

 try:
    try:
@@ -169,23 +176,25 @@ try:
    except MyError as exc:
        raise exc from e
    else:
-        assert False, 'exception not raised'
+        assert False, "exception not raised"
 except MyError as exc:
    sys.excepthook(type(exc), exc, exc.__traceback__)
    assert exc.__cause__ is e
    assert exc.__context__ is None
 else:
-    assert False, 'exception not raised'
+    assert False, "exception not raised"


 # New case:
 # two exception in a recursion loop

+
 class SubError(MyError):
    pass

-e = MyError('message')
-d = SubError('sub')
+
+e = MyError("message")
+d = SubError("sub")


 try:
@@ -197,9 +206,9 @@ except MyError as exc:
    assert exc.__cause__ is d
    assert exc.__context__ is None
 else:
-    assert False, 'exception not raised'
+    assert False, "exception not raised"

-e = MyError('message')
+e = MyError("message")

 try:
    raise d from e
@@ -210,20 +219,20 @@ except SubError as exc:
    assert exc.__cause__ is e
    assert exc.__context__ is None
 else:
-    assert False, 'exception not raised'
+    assert False, "exception not raised"


 # New case:
 # explicit `__context__` manipulation.

-e = MyError('message')
+e = MyError("message")
 e.__context__ = e

 try:
    raise e
 except MyError as exc:
    # It was a segmentation fault before, will print info to stdout:
-    if platform.python_implementation() == 'RustPython':
+    if platform.python_implementation() == "RustPython":
        # For some reason `CPython` hangs on this code:
        sys.excepthook(type(exc), exc, exc.__traceback__)
        assert isinstance(exc, MyError)
@@ -235,30 +244,36 @@ except MyError as exc:
 # https://github.com/RustPython/RustPython/issues/2771

 # `BaseException` and `Exception`:
-assert BaseException.__new__.__qualname__ == 'BaseException.__new__'
-assert BaseException.__init__.__qualname__ == 'BaseException.__init__'
+assert BaseException.__new__.__qualname__ == "BaseException.__new__"
+assert BaseException.__init__.__qualname__ == "BaseException.__init__"
 assert BaseException().__dict__ == {}

-assert Exception.__new__.__qualname__ == 'Exception.__new__', Exception.__new__.__qualname__
-assert Exception.__init__.__qualname__ == 'Exception.__init__', Exception.__init__.__qualname__
+assert Exception.__new__.__qualname__ == "Exception.__new__", (
+    Exception.__new__.__qualname__
+)
+assert Exception.__init__.__qualname__ == "Exception.__init__", (
+    Exception.__init__.__qualname__
+)
 assert Exception().__dict__ == {}


 # Extends `BaseException`, simple:
-assert KeyboardInterrupt.__new__.__qualname__ == 'KeyboardInterrupt.__new__', KeyboardInterrupt.__new__.__qualname__
-assert KeyboardInterrupt.__init__.__qualname__ == 'KeyboardInterrupt.__init__'
+assert KeyboardInterrupt.__new__.__qualname__ == "KeyboardInterrupt.__new__", (
+    KeyboardInterrupt.__new__.__qualname__
+)
+assert KeyboardInterrupt.__init__.__qualname__ == "KeyboardInterrupt.__init__"
 assert KeyboardInterrupt().__dict__ == {}


 # Extends `Exception`, simple:
-assert TypeError.__new__.__qualname__ == 'TypeError.__new__'
-assert TypeError.__init__.__qualname__ == 'TypeError.__init__'
+assert TypeError.__new__.__qualname__ == "TypeError.__new__"
+assert TypeError.__init__.__qualname__ == "TypeError.__init__"
 assert TypeError().__dict__ == {}


 # Extends `Exception`, complex:
-assert OSError.__new__.__qualname__ == 'OSError.__new__'
-assert OSError.__init__.__qualname__ == 'OSError.__init__'
+assert OSError.__new__.__qualname__ == "OSError.__new__"
+assert OSError.__init__.__qualname__ == "OSError.__init__"
 assert OSError().__dict__ == {}
 assert OSError.errno
 assert OSError.strerror
@@ -299,7 +314,7 @@ assert x.filename == None
 assert x.filename2 == None
 assert str(x) == "0"

-w = OSError('foo')
+w = OSError("foo")
 assert w.errno == None
 assert not sys.platform.startswith("win") or w.winerror == None
 assert w.strerror == None
@@ -315,7 +330,7 @@ assert x.filename == None
 assert x.filename2 == None
 assert str(x) == "foo"

-w = OSError('a', 'b', 'c', 'd', 'e', 'f')
+w = OSError("a", "b", "c", "d", "e", "f")
 assert w.errno == None
 assert not sys.platform.startswith("win") or w.winerror == None
 assert w.strerror == None
@@ -332,12 +347,10 @@ assert x.filename2 == None
 assert str(x) == "('a', 'b', 'c', 'd', 'e', 'f')"

 # Custom `__new__` and `__init__`:
-assert ImportError.__init__.__qualname__ == 'ImportError.__init__'
-assert ImportError(name='a').name == 'a'
-assert (
-    ModuleNotFoundError.__init__.__qualname__ == 'ModuleNotFoundError.__init__'
-)
-assert ModuleNotFoundError(name='a').name == 'a'
+assert ImportError.__init__.__qualname__ == "ImportError.__init__"
+assert ImportError(name="a").name == "a"
+assert ModuleNotFoundError.__init__.__qualname__ == "ModuleNotFoundError.__init__"
+assert ModuleNotFoundError(name="a").name == "a"


 # Check that all exceptions have string `__doc__`:
--- a/extra_tests/snippets/builtin_exec.py
+++ b/extra_tests/snippets/builtin_exec.py
@@ -3,11 +3,11 @@ assert 16 == square(4)  # noqa: F821

 d = {}
 exec("def square(x):\n return x * x\n", {}, d)
-assert 16 == d['square'](4)
+assert 16 == d["square"](4)

-exec("assert 2 == x", {}, {'x': 2})
-exec("assert 2 == x", {'x': 2}, {})
-exec("assert 4 == x", {'x': 2}, {'x': 4})
+exec("assert 2 == x", {}, {"x": 2})
+exec("assert 2 == x", {"x": 2}, {})
+exec("assert 4 == x", {"x": 2}, {"x": 4})

 exec("assert max(1, 2) == 2", {}, {})

@@ -16,9 +16,11 @@ exec("assert max(1, 5, square(5)) == 25", None)
 # Local environment shouldn't replace global environment:
 exec("assert max(1, 5, square(5)) == 25", None, {})

+
 # Closures aren't available if local scope is replaced:
 def g():
    seven = "seven"
+
    def f():
        try:
            exec("seven", None, {})
@@ -26,7 +28,10 @@ def g():
            pass
        else:
            raise NameError("seven shouldn't be in scope")
+
    f()
+
+
 g()

 try:
@@ -37,16 +42,16 @@ else:
    raise TypeError("exec should fail unless globals is a dict or None")

 g = globals()
-g['x'] = 2
-exec('x += 2')
+g["x"] = 2
+exec("x += 2")
 assert x == 4  # noqa: F821
-assert g['x'] == x  # noqa: F821
+assert g["x"] == x  # noqa: F821

 exec("del x")
-assert 'x' not in g
+assert "x" not in g

-assert 'g' in globals()
-assert 'g' in locals()
+assert "g" in globals()
+assert "g" in locals()
 exec("assert 'g' in globals()")
 exec("assert 'g' in locals()")
 exec("assert 'g' not in globals()", {})
@@ -54,13 +59,15 @@ exec("assert 'g' not in locals()", {})

 del g

+
 def f():
    g = 1
-    assert 'g' not in globals()
-    assert 'g' in locals()
+    assert "g" not in globals()
+    assert "g" in locals()
    exec("assert 'g' not in globals()")
    exec("assert 'g' in locals()")
    exec("assert 'g' not in globals()", {})
    exec("assert 'g' not in locals()", {})

+
 f()
--- a/extra_tests/snippets/builtin_exit.py
+++ b/extra_tests/snippets/builtin_exit.py
@@ -36,4 +36,4 @@ with assert_raises(SystemExit):
    sys.exit(1)

 with assert_raises(SystemExit):
-    sys.exit("AB")
+    sys.exit("AB")
--- a/extra_tests/snippets/builtin_format.py
+++ b/extra_tests/snippets/builtin_format.py
@@ -2,37 +2,52 @@ from testutils import assert_raises

 assert format(5, "b") == "101"

-assert_raises(TypeError, format, 2, 3, _msg='format called with number')
+assert_raises(TypeError, format, 2, 3, _msg="format called with number")

 assert format({}) == "{}"

-assert_raises(TypeError, format, {}, 'b', _msg='format_spec not empty for dict')
+assert_raises(TypeError, format, {}, "b", _msg="format_spec not empty for dict")
+

 class BadFormat:
    def __format__(self, spec):
        return 42
+
+
 assert_raises(TypeError, format, BadFormat())

+
 def test_zero_padding():
    i = 1
-    assert f'{i:04d}' == '0001'
+    assert f"{i:04d}" == "0001"
+

 test_zero_padding()

-assert '{:,}'.format(100) == '100'
-assert '{:,}'.format(1024) == '1,024'
-assert '{:_}'.format(65536) == '65_536'
-assert '{:_}'.format(4294967296) == '4_294_967_296'
-assert f'{100:_}' == '100'
-assert f'{1024:_}' == '1_024'
-assert f'{65536:,}' == '65,536'
-assert f'{4294967296:,}' == '4,294,967,296'
-assert 'F' == "{0:{base}}".format(15, base="X")
-assert f'{255:#X}' == "0XFF"
+assert "{:,}".format(100) == "100"
+assert "{:,}".format(1024) == "1,024"
+assert "{:_}".format(65536) == "65_536"
+assert "{:_}".format(4294967296) == "4_294_967_296"
+assert f"{100:_}" == "100"
+assert f"{1024:_}" == "1_024"
+assert f"{65536:,}" == "65,536"
+assert f"{4294967296:,}" == "4,294,967,296"
+assert "F" == "{0:{base}}".format(15, base="X")
+assert f"{255:#X}" == "0XFF"
 assert f"{65:c}" == "A"
-assert f"{0x1f5a5:c}" == "🖥"
-assert_raises(ValueError, "{:+c}".format, 1, _msg="Sign not allowed with integer format specifier 'c'")
-assert_raises(ValueError, "{:#c}".format, 1, _msg="Alternate form (#) not allowed with integer format specifier 'c'")
+assert f"{0x1F5A5:c}" == "🖥"
+assert_raises(
+    ValueError,
+    "{:+c}".format,
+    1,
+    _msg="Sign not allowed with integer format specifier 'c'",
+)
+assert_raises(
+    ValueError,
+    "{:#c}".format,
+    1,
+    _msg="Alternate form (#) not allowed with integer format specifier 'c'",
+)
 assert f"{256:#010x}" == "0x00000100"
 assert f"{256:0=#10x}" == "0x00000100"
 assert f"{256:0>#10x}" == "000000x100"
@@ -66,14 +81,31 @@ assert f"{123.456:011,}" == "000,123.456"
 assert f"{123.456:+011,}" == "+00,123.456"
 assert f"{1234:.3g}" == "1.23e+03"
 assert f"{1234567:.6G}" == "1.23457E+06"
-assert f'{"🐍":4}' == "🐍   "
-assert_raises(ValueError, "{:,o}".format, 1, _msg="ValueError: Cannot specify ',' with 'o'.")
-assert_raises(ValueError, "{:_n}".format, 1, _msg="ValueError: Cannot specify '_' with 'n'.")
-assert_raises(ValueError, "{:,o}".format, 1.0, _msg="ValueError: Cannot specify ',' with 'o'.")
-assert_raises(ValueError, "{:_n}".format, 1.0, _msg="ValueError: Cannot specify '_' with 'n'.")
-assert_raises(ValueError, "{:,}".format, "abc", _msg="ValueError: Cannot specify ',' with 's'.")
-assert_raises(ValueError, "{:,x}".format, "abc", _msg="ValueError: Cannot specify ',' with 'x'.")
-assert_raises(OverflowError, "{:c}".format, 0x110000, _msg="OverflowError: %c arg not in range(0x110000)")
+assert f"{'🐍':4}" == "🐍   "
+assert_raises(
+    ValueError, "{:,o}".format, 1, _msg="ValueError: Cannot specify ',' with 'o'."
+)
+assert_raises(
+    ValueError, "{:_n}".format, 1, _msg="ValueError: Cannot specify '_' with 'n'."
+)
+assert_raises(
+    ValueError, "{:,o}".format, 1.0, _msg="ValueError: Cannot specify ',' with 'o'."
+)
+assert_raises(
+    ValueError, "{:_n}".format, 1.0, _msg="ValueError: Cannot specify '_' with 'n'."
+)
+assert_raises(
+    ValueError, "{:,}".format, "abc", _msg="ValueError: Cannot specify ',' with 's'."
+)
+assert_raises(
+    ValueError, "{:,x}".format, "abc", _msg="ValueError: Cannot specify ',' with 'x'."
+)
+assert_raises(
+    OverflowError,
+    "{:c}".format,
+    0x110000,
+    _msg="OverflowError: %c arg not in range(0x110000)",
+)
 assert f"{3:f}" == "3.000000"
 assert f"{3.1415:.0f}" == "3"
 assert f"{3.1415:.1f}" == "3.1"
@@ -115,14 +147,14 @@ assert f"{3.1415:#.3e}" == "3.142e+00"
 assert f"{3.1415:#.4e}" == "3.1415e+00"
 assert f"{3.1415:#.5e}" == "3.14150e+00"
 assert f"{3.1415:#.5E}" == "3.14150E+00"
-assert f"{3.1415:.0%}" == '314%'
-assert f"{3.1415:.1%}" == '314.2%'
-assert f"{3.1415:.2%}" == '314.15%'
-assert f"{3.1415:.3%}" == '314.150%'
-assert f"{3.1415:#.0%}" == '314.%'
-assert f"{3.1415:#.1%}" == '314.2%'
-assert f"{3.1415:#.2%}" == '314.15%'
-assert f"{3.1415:#.3%}" == '314.150%'
+assert f"{3.1415:.0%}" == "314%"
+assert f"{3.1415:.1%}" == "314.2%"
+assert f"{3.1415:.2%}" == "314.15%"
+assert f"{3.1415:.3%}" == "314.150%"
+assert f"{3.1415:#.0%}" == "314.%"
+assert f"{3.1415:#.1%}" == "314.2%"
+assert f"{3.1415:#.2%}" == "314.15%"
+assert f"{3.1415:#.3%}" == "314.150%"
 assert f"{3.1415:.0}" == "3e+00"
 assert f"{3.1415:.1}" == "3e+00"
 assert f"{3.1415:.2}" == "3.1"
@@ -137,5 +169,5 @@ assert f"{3.1415:#.4}" == "3.142"
 # test issue 4558
 x = 123456789012345678901234567890
 for i in range(0, 30):
-    format(x, ',')
+    format(x, ",")
    x = x // 10
--- a/extra_tests/snippets/builtin_hash.py
+++ b/extra_tests/snippets/builtin_hash.py
@@ -1,4 +1,3 @@
-
 from testutils import assert_raises


--- a/extra_tests/snippets/builtin_hex.py
+++ b/extra_tests/snippets/builtin_hex.py
@@ -1,6 +1,6 @@
 from testutils import assert_raises

-assert hex(16) == '0x10'
-assert hex(-16) == '-0x10'
+assert hex(16) == "0x10"
+assert hex(-16) == "-0x10"

-assert_raises(TypeError, hex, {}, _msg='ord() called with dict')
+assert_raises(TypeError, hex, {}, _msg="ord() called with dict")
--- a/extra_tests/snippets/builtin_isinstance.py
+++ b/extra_tests/snippets/builtin_isinstance.py
@@ -1,4 +1,3 @@
-
 class Regular:
    pass

@@ -41,14 +40,17 @@ assert isinstance(AlwaysInstanceOf(), AlwaysInstanceOf)
 assert isinstance(Regular(), AlwaysInstanceOf)
 assert isinstance(1, AlwaysInstanceOf)

+
 class GenericInstance:
    def __instancecheck__(self, _):
        return True

+
 assert isinstance(Regular(), GenericInstance())
 assert isinstance([], GenericInstance())
 assert isinstance(1, GenericInstance())

+
 class MCReturnInt(type):
    def __instancecheck__(self, instance):
        return 3
@@ -60,4 +62,13 @@ class ReturnInt(metaclass=MCReturnInt):

 assert isinstance("a", ReturnInt) is True

-assert isinstance(1, ((int, float,), str))
+assert isinstance(
+    1,
+    (
+        (
+            int,
+            float,
+        ),
+        str,
+    ),
+)
--- a/extra_tests/snippets/builtin_issubclass.py
+++ b/extra_tests/snippets/builtin_issubclass.py
@@ -1,4 +1,3 @@
-
 class A:
    pass

@@ -49,14 +48,17 @@ assert issubclass(AlwaysSubClass, AlwaysSubClass)
 assert issubclass(InheritedAlwaysSubClass, AlwaysSubClass)
 assert issubclass(AlwaysSubClass, InheritedAlwaysSubClass)

+
 class GenericInstance:
    def __subclasscheck__(self, _):
        return True

+
 assert issubclass(A, GenericInstance())
 assert issubclass(list, GenericInstance())
 assert issubclass([], GenericInstance())

+
 class MCAVirtualSubClass(type):
    def __subclasscheck__(self, subclass):
        return subclass is A
--- a/extra_tests/snippets/builtin_len.py
+++ b/extra_tests/snippets/builtin_len.py
@@ -1,2 +1,2 @@
-assert 3 == len([1,2,3])
-assert 2 == len((1,2))
+assert 3 == len([1, 2, 3])
+assert 2 == len((1, 2))
--- a/extra_tests/snippets/builtin_list.py
+++ b/extra_tests/snippets/builtin_list.py
@@ -12,38 +12,85 @@ y.extend(x)
 assert y == [2, 1, 2, 3, 1, 2, 3]

 a = []
-a.extend((1,2,3,4))
+a.extend((1, 2, 3, 4))
 assert a == [1, 2, 3, 4]

-a.extend('abcdefg')
-assert a == [1, 2, 3, 4, 'a', 'b', 'c', 'd', 'e', 'f', 'g']
+a.extend("abcdefg")
+assert a == [1, 2, 3, 4, "a", "b", "c", "d", "e", "f", "g"]

 a.extend(range(10))
-assert a == [1, 2, 3, 4, 'a', 'b', 'c', 'd', 'e', 'f', 'g', 0, 1, 2, 3, 4, 5, 6, 7, 8, 9]
+assert a == [
+    1,
+    2,
+    3,
+    4,
+    "a",
+    "b",
+    "c",
+    "d",
+    "e",
+    "f",
+    "g",
+    0,
+    1,
+    2,
+    3,
+    4,
+    5,
+    6,
+    7,
+    8,
+    9,
+]

 a = []
-a.extend({1,2,3,4})
+a.extend({1, 2, 3, 4})
 assert a == [1, 2, 3, 4]

-a.extend({'a': 1, 'b': 2, 'z': 51})
-assert a == [1, 2, 3, 4, 'a', 'b', 'z']
+a.extend({"a": 1, "b": 2, "z": 51})
+assert a == [1, 2, 3, 4, "a", "b", "z"]
+

 class Iter:
    def __iter__(self):
        yield 12
        yield 28

-a.extend(Iter())
-assert a == [1, 2, 3, 4, 'a', 'b', 'z', 12, 28]

-a.extend(bytes(b'hello world'))
-assert a == [1, 2, 3, 4, 'a', 'b', 'z', 12, 28, 104, 101, 108, 108, 111, 32, 119, 111, 114, 108, 100]
+a.extend(Iter())
+assert a == [1, 2, 3, 4, "a", "b", "z", 12, 28]
+
+a.extend(bytes(b"hello world"))
+assert a == [
+    1,
+    2,
+    3,
+    4,
+    "a",
+    "b",
+    "z",
+    12,
+    28,
+    104,
+    101,
+    108,
+    108,
+    111,
+    32,
+    119,
+    111,
+    114,
+    108,
+    100,
+]
+

 class Next:
    def __next__(self):
        yield 12
        yield 28

+
 assert_raises(TypeError, lambda: [].extend(3))
 assert_raises(TypeError, lambda: [].extend(slice(0, 10, 1)))

@@ -56,12 +103,12 @@ assert y is x
 assert x == [1, 2, 3] * 2

 # index()
-assert ['a', 'b', 'c'].index('b') == 1
+assert ["a", "b", "c"].index("b") == 1
 assert [5, 6, 7].index(7) == 2
-assert_raises(ValueError, lambda: ['a', 'b', 'c'].index('z'))
+assert_raises(ValueError, lambda: ["a", "b", "c"].index("z"))

-x = [[1,0,-3], 'a', 1]
-y = [[3,2,1], 'z', 2]
+x = [[1, 0, -3], "a", 1]
+y = [[3, 2, 1], "z", 2]
 assert x < y, "list __lt__ failed"

 x = [5, 13, 31]
@@ -73,9 +120,12 @@ x = [0, 1, 2]
 assert x.pop() == 2
 assert x == [0, 1]

+
 def test_pop(lst, idx, value, new_lst):
    assert lst.pop(idx) == value
    assert lst == new_lst
+
+
 test_pop([0, 1, 2], -1, 2, [0, 1])
 test_pop([0, 1, 2], 0, 0, [1, 2])
 test_pop([0, 1, 2], 1, 1, [0, 2])
@@ -91,23 +141,23 @@ recursive.append(recursive)
 assert repr(recursive) == "[[...]]"

 # insert()
-x = ['a', 'b', 'c']
-x.insert(0, 'z') # insert is in-place, no return value
-assert x == ['z', 'a', 'b', 'c']
+x = ["a", "b", "c"]
+x.insert(0, "z")  # insert is in-place, no return value
+assert x == ["z", "a", "b", "c"]

-x = ['a', 'b', 'c']
-x.insert(100, 'z')
-assert x == ['a', 'b', 'c', 'z']
+x = ["a", "b", "c"]
+x.insert(100, "z")
+assert x == ["a", "b", "c", "z"]

-x = ['a', 'b', 'c']
-x.insert(-1, 'z')
-assert x == ['a', 'b', 'z', 'c']
+x = ["a", "b", "c"]
+x.insert(-1, "z")
+assert x == ["a", "b", "z", "c"]

-x = ['a', 'b', 'c']
-x.insert(-100, 'z')
-assert x == ['z', 'a', 'b', 'c']
+x = ["a", "b", "c"]
+x.insert(-100, "z")
+assert x == ["z", "a", "b", "c"]

-assert_raises(OverflowError, lambda: x.insert(100000000000000000000, 'z'))
+assert_raises(OverflowError, lambda: x.insert(100000000000000000000, "z"))

 x = [[], 2, {}]
 y = x.copy()
@@ -123,7 +173,7 @@ a.remove(1)
 assert len(a) == 2
 assert not 1 in a

-assert_raises(ValueError, lambda: a.remove(10), _msg='Remove not exist element')
+assert_raises(ValueError, lambda: a.remove(10), _msg="Remove not exist element")

 foo = bar = [1]
 foo += [2]
@@ -138,10 +188,12 @@ assert x.count(x) == 1
 x.remove(x)
 assert x not in x

+
 class Foo(object):
    def __eq__(self, x):
        return False

+
 foo = Foo()
 foo1 = Foo()
 x = [1, foo, 2, foo, []]
@@ -173,17 +225,17 @@ assert a == b
 assert [foo] == [foo]

 for size in [1, 2, 3, 4, 5, 8, 10, 100, 1000]:
-   lst = list(range(size))
-   orig = lst[:]
-   lst.sort()
-   assert lst == orig
-   assert sorted(lst) == orig
-   assert_raises(ZeroDivisionError, sorted, lst, key=lambda x: 1/x)
-   lst.reverse()
-   assert sorted(lst) == orig
-   assert sorted(lst, reverse=True) == lst
-   assert sorted(lst, key=lambda x: -x) == lst
-   assert sorted(lst, key=lambda x: -x, reverse=True) == orig
+    lst = list(range(size))
+    orig = lst[:]
+    lst.sort()
+    assert lst == orig
+    assert sorted(lst) == orig
+    assert_raises(ZeroDivisionError, sorted, lst, key=lambda x: 1 / x)
+    lst.reverse()
+    assert sorted(lst) == orig
+    assert sorted(lst, reverse=True) == lst
+    assert sorted(lst, key=lambda x: -x) == lst
+    assert sorted(lst, key=lambda x: -x, reverse=True) == orig

 assert sorted([(1, 2, 3), (0, 3, 6)]) == [(0, 3, 6), (1, 2, 3)]
 assert sorted([(1, 2, 3), (0, 3, 6)], key=lambda x: x[0]) == [(0, 3, 6), (1, 2, 3)]
@@ -191,34 +243,52 @@ assert sorted([(1, 2, 3), (0, 3, 6)], key=lambda x: x[1]) == [(1, 2, 3), (0, 3,
 assert sorted([(1, 2), (), (5,)], key=len) == [(), (5,), (1, 2)]

 lst = [3, 1, 5, 2, 4]
+
+
 class C:
-  def __init__(self, x): self.x = x
-  def __lt__(self, other): return self.x < other.x
+    def __init__(self, x):
+        self.x = x
+
+    def __lt__(self, other):
+        return self.x < other.x
+
+
 lst.sort(key=C)
 assert lst == [1, 2, 3, 4, 5]

 lst = [3, 1, 5, 2, 4]
+
+
 class C:
-  def __init__(self, x): self.x = x
-  def __gt__(self, other): return self.x > other.x
+    def __init__(self, x):
+        self.x = x
+
+    def __gt__(self, other):
+        return self.x > other.x
+
+
 lst.sort(key=C)
 assert lst == [1, 2, 3, 4, 5]

 lst = [5, 1, 2, 3, 4]
+
+
 def f(x):
    lst.append(1)
    return x
-assert_raises(ValueError, lambda: lst.sort(key=f)) # "list modified during sort"
+
+
+assert_raises(ValueError, lambda: lst.sort(key=f))  # "list modified during sort"
 assert lst == [1, 2, 3, 4, 5]

 # __delitem__
-x = ['a', 'b', 'c']
+x = ["a", "b", "c"]
 del x[0]
-assert x == ['b', 'c']
+assert x == ["b", "c"]

-x = ['a', 'b', 'c']
+x = ["a", "b", "c"]
 del x[-1]
-assert x == ['a', 'b']
+assert x == ["a", "b"]

 x = y = [1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 13, 14, 15]
 del x[2:14:3]
@@ -232,24 +302,30 @@ assert x == [1, 2, 3, 4, 5, 6, 7, 8, 10]

 x = list(range(12))
 del x[10:2:-2]
-assert x == [0,1,2,3,5,7,9,11]
+assert x == [0, 1, 2, 3, 5, 7, 9, 11]
+

 def bad_del_1():
-  del ['a', 'b']['a']
+    del ["a", "b"]["a"]
+
+
 assert_raises(TypeError, bad_del_1)

+
 def bad_del_2():
-  del ['a', 'b'][2]
+    del ["a", "b"][2]
+
+
 assert_raises(IndexError, bad_del_2)

 # __setitem__

 # simple index
 x = [1, 2, 3, 4, 5]
-x[0] = 'a'
-assert x == ['a', 2, 3, 4, 5]
-x[-1] = 'b'
-assert x == ['a', 2, 3, 4, 'b']
+x[0] = "a"
+assert x == ["a", 2, 3, 4, 5]
+x[-1] = "b"
+assert x == ["a", 2, 3, 4, "b"]
 # make sure refrences are assigned correctly
 y = []
 x[1] = y
@@ -257,14 +333,17 @@ y.append(100)
 assert x[1] == y
 assert x[1] == [100]

-#index bounds
+
+# index bounds
 def set_index_out_of_bounds_high():
-  x = [0, 1, 2, 3, 4]
-  x[5] = 'a'
+    x = [0, 1, 2, 3, 4]
+    x[5] = "a"
+

 def set_index_out_of_bounds_low():
-  x = [0, 1, 2, 3, 4]
-  x[-6] = 'a'
+    x = [0, 1, 2, 3, 4]
+    x[-6] = "a"
+

 assert_raises(IndexError, set_index_out_of_bounds_high)
 assert_raises(IndexError, set_index_out_of_bounds_low)
@@ -275,20 +354,20 @@ x = a[:]
 y = a[:]
 assert x == [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]
 # replace whole list
-x[:] = ['a', 'b', 'c']
-y[::1] = ['a', 'b', 'c']
-assert x == ['a', 'b', 'c']
+x[:] = ["a", "b", "c"]
+y[::1] = ["a", "b", "c"]
+assert x == ["a", "b", "c"]
 assert x == y
 # splice list start
 x = a[:]
 y = a[:]
 z = a[:]
 zz = a[:]
-x[:1] = ['a', 'b', 'c']
-y[0:1] = ['a', 'b', 'c']
-z[:1:1] = ['a', 'b', 'c']
-zz[0:1:1] = ['a', 'b', 'c']
-assert x == ['a', 'b', 'c', 1, 2, 3, 4, 5, 6, 7, 8, 9]
+x[:1] = ["a", "b", "c"]
+y[0:1] = ["a", "b", "c"]
+z[:1:1] = ["a", "b", "c"]
+zz[0:1:1] = ["a", "b", "c"]
+assert x == ["a", "b", "c", 1, 2, 3, 4, 5, 6, 7, 8, 9]
 assert x == y
 assert x == z
 assert x == zz
@@ -297,11 +376,11 @@ x = a[:]
 y = a[:]
 z = a[:]
 zz = a[:]
-x[5:] = ['a', 'b', 'c']
-y[5::1] = ['a', 'b', 'c']
-z[5:10] = ['a', 'b', 'c']
-zz[5:10:1] = ['a', 'b', 'c']
-assert x == [0, 1, 2, 3, 4, 'a', 'b', 'c']
+x[5:] = ["a", "b", "c"]
+y[5::1] = ["a", "b", "c"]
+z[5:10] = ["a", "b", "c"]
+zz[5:10:1] = ["a", "b", "c"]
+assert x == [0, 1, 2, 3, 4, "a", "b", "c"]
 assert x == y
 assert x == z
 assert x == zz
@@ -310,11 +389,11 @@ x = a[:]
 y = a[:]
 z = a[:]
 zz = a[:]
-x[1:1] = ['a', 'b', 'c']
-y[1:0] = ['a', 'b', 'c']
-z[1:1:1] = ['a', 'b', 'c']
-zz[1:0:1] = ['a', 'b', 'c']
-assert x == [0, 'a', 'b', 'c', 1, 2, 3, 4, 5, 6, 7, 8, 9]
+x[1:1] = ["a", "b", "c"]
+y[1:0] = ["a", "b", "c"]
+z[1:1:1] = ["a", "b", "c"]
+zz[1:0:1] = ["a", "b", "c"]
+assert x == [0, "a", "b", "c", 1, 2, 3, 4, 5, 6, 7, 8, 9]
 assert x == y
 assert x == z
 assert x == zz
@@ -323,24 +402,24 @@ x = a[:]
 y = a[:]
 z = a[:]
 zz = a[:]
-x[-1:-1] = ['a', 'b', 'c']
-y[-1:9] = ['a', 'b', 'c']
-z[-1:-1:1] = ['a', 'b', 'c']
-zz[-1:9:1] = ['a', 'b', 'c']
-assert x == [0, 1, 2, 3, 4, 5, 6, 7, 8, 'a', 'b', 'c', 9]
+x[-1:-1] = ["a", "b", "c"]
+y[-1:9] = ["a", "b", "c"]
+z[-1:-1:1] = ["a", "b", "c"]
+zz[-1:9:1] = ["a", "b", "c"]
+assert x == [0, 1, 2, 3, 4, 5, 6, 7, 8, "a", "b", "c", 9]
 assert x == y
 assert x == z
 assert x == zz
 # splice mid
 x = a[:]
 y = a[:]
-x[3:5] = ['a', 'b', 'c', 'd', 'e']
-y[3:5:1] = ['a', 'b', 'c', 'd', 'e']
-assert x == [0, 1, 2, 'a', 'b', 'c', 'd', 'e', 5, 6, 7, 8, 9]
+x[3:5] = ["a", "b", "c", "d", "e"]
+y[3:5:1] = ["a", "b", "c", "d", "e"]
+assert x == [0, 1, 2, "a", "b", "c", "d", "e", 5, 6, 7, 8, 9]
 assert x == y
 x = a[:]
-x[3:5] = ['a']
-assert x == [0, 1, 2, 'a', 5, 6, 7, 8, 9]
+x[3:5] = ["a"]
+assert x == [0, 1, 2, "a", 5, 6, 7, 8, 9]
 # assign empty to non stepped empty slice does nothing
 x = a[:]
 y = a[:]
@@ -359,84 +438,93 @@ assert x == y
 yy = []
 x = a[:]
 y = a[:]
-x[3:5] = ['a', 'b', 'c', 'd', yy]
-y[3:5:1] = ['a', 'b', 'c', 'd', yy]
-assert x == [0, 1, 2, 'a', 'b', 'c', 'd', [], 5, 6, 7, 8, 9]
+x[3:5] = ["a", "b", "c", "d", yy]
+y[3:5:1] = ["a", "b", "c", "d", yy]
+assert x == [0, 1, 2, "a", "b", "c", "d", [], 5, 6, 7, 8, 9]
 assert x == y
 yy.append(100)
-assert x == [0, 1, 2, 'a', 'b', 'c', 'd', [100], 5, 6, 7, 8, 9]
+assert x == [0, 1, 2, "a", "b", "c", "d", [100], 5, 6, 7, 8, 9]
 assert x == y
 assert x[7] == yy
 assert x[7] == [100]
 assert y[7] == yy
 assert y[7] == [100]

+
 # no zero step
 def no_zero_step_set():
-  x = [1, 2, 3, 4, 5]
-  x[0:4:0] = [11, 12, 13, 14, 15]
+    x = [1, 2, 3, 4, 5]
+    x[0:4:0] = [11, 12, 13, 14, 15]
+
+
 assert_raises(ValueError, no_zero_step_set)

 # stepped slice index
 # forward slice
 x = a[:]
-x[2:8:2] = ['a', 'b', 'c']
-assert x == [0, 1, 'a', 3, 'b', 5, 'c', 7, 8, 9]
+x[2:8:2] = ["a", "b", "c"]
+assert x == [0, 1, "a", 3, "b", 5, "c", 7, 8, 9]
 x = a[:]
 y = a[:]
 z = a[:]
 zz = a[:]
-c = ['a', 'b', 'c', 'd', 'e']
+c = ["a", "b", "c", "d", "e"]
 x[::2] = c
 y[-10::2] = c
 z[0:10:2] = c
-zz[-13:13:2] = c # slice indexes will be truncated to bounds
-assert x == ['a', 1, 'b', 3, 'c', 5, 'd', 7, 'e', 9]
+zz[-13:13:2] = c  # slice indexes will be truncated to bounds
+assert x == ["a", 1, "b", 3, "c", 5, "d", 7, "e", 9]
 assert x == y
 assert x == z
 assert x == zz
 # backward slice
 x = a[:]
-x[8:2:-2] = ['a', 'b', 'c']
-assert x == [0, 1, 2, 3, 'c', 5, 'b', 7, 'a', 9]
+x[8:2:-2] = ["a", "b", "c"]
+assert x == [0, 1, 2, 3, "c", 5, "b", 7, "a", 9]
 x = a[:]
 y = a[:]
 z = a[:]
 zz = a[:]
-c =  ['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j']
+c = ["a", "b", "c", "d", "e", "f", "g", "h", "i", "j"]
 x[::-1] = c
 y[9:-11:-1] = c
 z[9::-1] = c
-zz[11:-13:-1] = c # slice indexes will be truncated to bounds
-assert x == ['j', 'i', 'h', 'g', 'f', 'e', 'd', 'c', 'b', 'a']
+zz[11:-13:-1] = c  # slice indexes will be truncated to bounds
+assert x == ["j", "i", "h", "g", "f", "e", "d", "c", "b", "a"]
 assert x == y
 assert x == z
 assert x == zz
 # step size bigger than len
 x = a[:]
-x[::200] = ['a']
-assert x == ['a', 1, 2, 3, 4, 5, 6, 7, 8, 9]
+x[::200] = ["a"]
+assert x == ["a", 1, 2, 3, 4, 5, 6, 7, 8, 9]
 x = a[:]
-x[5::200] = ['a']
-assert x == [0, 1, 2, 3, 4, 'a', 6, 7, 8, 9]
+x[5::200] = ["a"]
+assert x == [0, 1, 2, 3, 4, "a", 6, 7, 8, 9]
+

 # bad stepped slices
 def stepped_slice_assign_too_big():
-  x = [0, 1, 2, 3, 4]
-  x[::2] = ['a', 'b', 'c', 'd']
+    x = [0, 1, 2, 3, 4]
+    x[::2] = ["a", "b", "c", "d"]
+

 assert_raises(ValueError, stepped_slice_assign_too_big)

+
 def stepped_slice_assign_too_small():
-  x = [0, 1, 2, 3, 4]
-  x[::2] = ['a', 'b']
+    x = [0, 1, 2, 3, 4]
+    x[::2] = ["a", "b"]
+

 assert_raises(ValueError, stepped_slice_assign_too_small)

+
 # must assign iter t0 slice
 def must_assign_iter_to_slice():
-  x = [0, 1, 2, 3, 4]
-  x[::2] = 42
+    x = [0, 1, 2, 3, 4]
+    x[::2] = 42
+

 assert_raises(TypeError, must_assign_iter_to_slice)

@@ -446,74 +534,87 @@ a = list(range(10))
 # string
 x = a[:]
 x[3:8] = "abcdefghi"
-assert x == [0, 1, 2, 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 8, 9]
+assert x == [0, 1, 2, "a", "b", "c", "d", "e", "f", "g", "h", "i", 8, 9]

 # tuple
 x = a[:]
 x[3:8] = (11, 12, 13, 14, 15)
 assert x == [0, 1, 2, 11, 12, 13, 14, 15, 8, 9]

+
 # class
 # __next__
 class CIterNext:
-  def __init__(self, sec=(1, 2, 3)):
-    self.sec = sec
-    self.index = 0
-  def __iter__(self):
-    return self
-  def __next__(self):
-    if self.index >= len(self.sec):
-      raise StopIteration
-    v = self.sec[self.index]
-    self.index += 1
-    return v
+    def __init__(self, sec=(1, 2, 3)):
+        self.sec = sec
+        self.index = 0
+
+    def __iter__(self):
+        return self
+
+    def __next__(self):
+        if self.index >= len(self.sec):
+            raise StopIteration
+        v = self.sec[self.index]
+        self.index += 1
+        return v
+

 x = list(range(10))
 x[3:8] = CIterNext()
 assert x == [0, 1, 2, 1, 2, 3, 8, 9]

+
 # __iter__ yield
 class CIter:
-  def __init__(self, sec=(1, 2, 3)):
-    self.sec = sec
-  def __iter__(self):
-    for n in self.sec:
-      yield n
+    def __init__(self, sec=(1, 2, 3)):
+        self.sec = sec
+
+    def __iter__(self):
+        for n in self.sec:
+            yield n
+

 x = list(range(10))
 x[3:8] = CIter()
 assert x == [0, 1, 2, 1, 2, 3, 8, 9]

+
 # __getitem but no __iter__ sequence
 class CGetItem:
-  def __init__(self, sec=(1, 2, 3)):
-    self.sec = sec
-  def __getitem__(self, sub):
-    return self.sec[sub]
+    def __init__(self, sec=(1, 2, 3)):
+        self.sec = sec
+
+    def __getitem__(self, sub):
+        return self.sec[sub]
+

 x = list(range(10))
 x[3:8] = CGetItem()
 assert x == [0, 1, 2, 1, 2, 3, 8, 9]

+
 # iter raises error
 class CIterError:
-  def __iter__(self):
-    for i in range(10):
-      if i > 5:
-        raise RuntimeError
-      yield i
+    def __iter__(self):
+        for i in range(10):
+            if i > 5:
+                raise RuntimeError
+            yield i
+

 def bad_iter_assign():
-  x = list(range(10))
-  x[3:8] = CIterError()
+    x = list(range(10))
+    x[3:8] = CIterError()
+

 assert_raises(RuntimeError, bad_iter_assign)

 # slice assign when step or stop is -1
 a = list(range(10))
 x = a[:]
-x[-1:-5:-1] = ['a', 'b', 'c', 'd']
-assert x == [0, 1, 2, 3, 4, 5, 'd', 'c', 'b', 'a']
+x[-1:-5:-1] = ["a", "b", "c", "d"]
+assert x == [0, 1, 2, 3, 4, 5, "d", "c", "b", "a"]
 x = a[:]
 x[-5:-1:-1] = []
 assert x == [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]
@@ -557,17 +658,17 @@ assert [0, 0] <= [0, 0]
 assert not [0, 0] > [0, 0]
 assert not [0, 0] < [0, 0]

-assert not [float('nan'), float('nan')] <= [float('nan'), 1]
-assert not [float('nan'), float('nan')] <= [float('nan'), float('nan')]
-assert not [float('nan'), float('nan')] >= [float('nan'), float('nan')]
-assert not [float('nan'), float('nan')] < [float('nan'), float('nan')]
-assert not [float('nan'), float('nan')] > [float('nan'), float('nan')]
+assert not [float("nan"), float("nan")] <= [float("nan"), 1]
+assert not [float("nan"), float("nan")] <= [float("nan"), float("nan")]
+assert not [float("nan"), float("nan")] >= [float("nan"), float("nan")]
+assert not [float("nan"), float("nan")] < [float("nan"), float("nan")]
+assert not [float("nan"), float("nan")] > [float("nan"), float("nan")]

-assert [float('inf'), float('inf')] >= [float('inf'), 1]
-assert [float('inf'), float('inf')] <= [float('inf'), float('inf')]
-assert [float('inf'), float('inf')] >= [float('inf'), float('inf')]
-assert not [float('inf'), float('inf')] < [float('inf'), float('inf')]
-assert not [float('inf'), float('inf')] > [float('inf'), float('inf')]
+assert [float("inf"), float("inf")] >= [float("inf"), 1]
+assert [float("inf"), float("inf")] <= [float("inf"), float("inf")]
+assert [float("inf"), float("inf")] >= [float("inf"), float("inf")]
+assert not [float("inf"), float("inf")] < [float("inf"), float("inf")]
+assert not [float("inf"), float("inf")] > [float("inf"), float("inf")]

 # list __iadd__
 a = []
@@ -575,62 +676,111 @@ a += [1, 2, 3]
 assert a == [1, 2, 3]

 a = []
-a += (1,2,3,4)
+a += (1, 2, 3, 4)
 assert a == [1, 2, 3, 4]

-a += 'abcdefg'
-assert a == [1, 2, 3, 4, 'a', 'b', 'c', 'd', 'e', 'f', 'g']
+a += "abcdefg"
+assert a == [1, 2, 3, 4, "a", "b", "c", "d", "e", "f", "g"]

 a += range(10)
-assert a == [1, 2, 3, 4, 'a', 'b', 'c', 'd', 'e', 'f', 'g', 0, 1, 2, 3, 4, 5, 6, 7, 8, 9]
+assert a == [
+    1,
+    2,
+    3,
+    4,
+    "a",
+    "b",
+    "c",
+    "d",
+    "e",
+    "f",
+    "g",
+    0,
+    1,
+    2,
+    3,
+    4,
+    5,
+    6,
+    7,
+    8,
+    9,
+]

 a = []
-a += {1,2,3,4}
+a += {1, 2, 3, 4}
 assert a == [1, 2, 3, 4]

-a += {'a': 1, 'b': 2, 'z': 51}
-assert a == [1, 2, 3, 4, 'a', 'b', 'z']
+a += {"a": 1, "b": 2, "z": 51}
+assert a == [1, 2, 3, 4, "a", "b", "z"]
+

 class Iter:
    def __iter__(self):
        yield 12
        yield 28

-a += Iter()
-assert a == [1, 2, 3, 4, 'a', 'b', 'z', 12, 28]

-a += bytes(b'hello world')
-assert a == [1, 2, 3, 4, 'a', 'b', 'z', 12, 28, 104, 101, 108, 108, 111, 32, 119, 111, 114, 108, 100]
+a += Iter()
+assert a == [1, 2, 3, 4, "a", "b", "z", 12, 28]
+
+a += bytes(b"hello world")
+assert a == [
+    1,
+    2,
+    3,
+    4,
+    "a",
+    "b",
+    "z",
+    12,
+    28,
+    104,
+    101,
+    108,
+    108,
+    111,
+    32,
+    119,
+    111,
+    114,
+    108,
+    100,
+]
+

 class Next:
    def __next__(self):
        yield 12
        yield 28

+
 def iadd_int():
    a = []
    a += 3

+
 def iadd_slice():
    a = []
    a += slice(0, 10, 1)

+
 assert_raises(TypeError, iadd_int)
 assert_raises(TypeError, iadd_slice)


-it = iter([1,2,3,4])
+it = iter([1, 2, 3, 4])
 assert it.__length_hint__() == 4
 assert next(it) == 1
 assert it.__length_hint__() == 3
-assert list(it) == [2,3,4]
+assert list(it) == [2, 3, 4]
 assert it.__length_hint__() == 0

-it = reversed([1,2,3,4])
+it = reversed([1, 2, 3, 4])
 assert it.__length_hint__() == 4
 assert next(it) == 4
 assert it.__length_hint__() == 3
-assert list(it) == [3,2,1]
+assert list(it) == [3, 2, 1]
 assert it.__length_hint__() == 0

 a = [*[1, 2], 3, *[4, 5]]
@@ -648,21 +798,25 @@ for base in object, list, tuple:
    class C(base):
        def __iter__(self):
            a.append(2)
+
            def inner():
                yield 3
                a.append(4)
+
            return inner()

    a = [1]
    b = [*a, *C(), *a.copy()]
    assert b == [1, 3, 1, 2, 4]

+
 # Test for list entering daedlock or not (https://github.com/RustPython/RustPython/pull/2933)
 class MutatingCompare:
    def __eq__(self, other):
        self.list.pop()
        return True

+
 m = MutatingCompare()

 l = [1, 2, 3, m, 4]
@@ -675,18 +829,21 @@ assert l.index(4) == 3

 l = [1, 2, 3, m, 4]
 m.list = l
-l.remove(4) 
-assert_raises(ValueError, lambda: l.index(4)) # element 4 must not be in the list
+l.remove(4)
+assert_raises(ValueError, lambda: l.index(4))  # element 4 must not be in the list
+

 # Test no panic occurred when list elements was deleted in __eq__
 class rewrite_list_eq(list):
    pass

+
 class poc:
    def __eq__(self, other):
        list1.clear()
        return self

+
 list1 = rewrite_list_eq([poc()])
 list1.remove(list1)
 assert list1 == []
--- a/extra_tests/snippets/builtin_locals.py
+++ b/extra_tests/snippets/builtin_locals.py
@@ -1,19 +1,18 @@
-
 a = 5
 b = 6

 loc = locals()

-assert loc['a'] == 5
-assert loc['b'] == 6
+assert loc["a"] == 5
+assert loc["b"] == 6
+

 def f():
-	c = 4
-	a = 7
+    c = 4
+    a = 7

-	loc = locals()
-
-	assert loc['a'] == 4
-	assert loc['c'] == 7
-	assert not 'b' in loc
+    loc = locals()

+    assert loc["a"] == 4
+    assert loc["c"] == 7
+    assert not "b" in loc
--- a/extra_tests/snippets/builtin_map.py
+++ b/extra_tests/snippets/builtin_map.py
@@ -1,5 +1,5 @@
 a = list(map(str, [1, 2, 3]))
-assert a == ['1', '2', '3']
+assert a == ["1", "2", "3"]


 b = list(map(lambda x, y: x + y, [1, 2, 4], [3, 5]))
@@ -20,7 +20,7 @@ class Counter(object):
        return self


-it = map(lambda x: x+1, Counter())
+it = map(lambda x: x + 1, Counter())
 assert next(it) == 2
 assert next(it) == 3

--- a/extra_tests/snippets/builtin_mappingproxy.py
+++ b/extra_tests/snippets/builtin_mappingproxy.py
@@ -1,5 +1,6 @@
 from testutils import assert_raises

+
 class A(dict):
    def a():
        pass
@@ -8,16 +9,16 @@ class A(dict):
        pass


-assert A.__dict__['a'] == A.a
+assert A.__dict__["a"] == A.a
 with assert_raises(KeyError) as cm:
-    A.__dict__['not here']
+    A.__dict__["not here"]

 assert cm.exception.args[0] == "not here"

-assert 'b' in A.__dict__
-assert 'c' not in A.__dict__
+assert "b" in A.__dict__
+assert "c" not in A.__dict__

-assert '__dict__' in A.__dict__
+assert "__dict__" in A.__dict__

 assert A.__dict__.get("not here", "default") == "default"
 assert A.__dict__.get("a", "default") is A.a
--- a/extra_tests/snippets/builtin_max.py
+++ b/extra_tests/snippets/builtin_max.py
@@ -3,17 +3,22 @@ from testutils import assert_raises
 # simple values
 assert max(0, 0) == 0
 assert max(1, 0) == 1
-assert max(1., 0.) == 1.
+assert max(1.0, 0.0) == 1.0
 assert max(-1, 0) == 0
 assert max(1, 2, 3) == 3

 # iterables
 assert max([1, 2, 3]) == 3
 assert max((1, 2, 3)) == 3
-assert max({
-    "a": 0,
-    "b": 1,
-}) == "b"
+assert (
+    max(
+        {
+            "a": 0,
+            "b": 1,
+        }
+    )
+    == "b"
+)
 assert max([1, 2], default=0) == 2
 assert max([], default=0) == 0
 assert_raises(ValueError, max, [])
@@ -30,7 +35,7 @@ assert_raises(TypeError, max, 1)


 # custom class
-class MyComparable():
+class MyComparable:
    nb = 0

    def __init__(self):
@@ -47,7 +52,7 @@ assert max(first, second) == second
 assert max([first, second]) == second


-class MyNotComparable():
+class MyNotComparable:
    pass


--- a/extra_tests/snippets/builtin_memoryview.py
+++ b/extra_tests/snippets/builtin_memoryview.py
@@ -10,48 +10,52 @@ assert a[2:3] == b"c"

 assert hash(obj) == hash(a)

-class A(array.array):
-    ...

-class B(bytes):
-    ...
+class A(array.array): ...

-class C():
-    ...

-memoryview(bytearray('abcde', encoding='utf-8'))
-memoryview(array.array('i', [1, 2, 3]))
-memoryview(A('b', [0]))
-memoryview(B('abcde', encoding='utf-8'))
+class B(bytes): ...
+
+
+class C: ...
+
+
+memoryview(bytearray("abcde", encoding="utf-8"))
+memoryview(array.array("i", [1, 2, 3]))
+memoryview(A("b", [0]))
+memoryview(B("abcde", encoding="utf-8"))

 assert_raises(TypeError, lambda: memoryview([1, 2, 3]))
 assert_raises(TypeError, lambda: memoryview((1, 2, 3)))
 assert_raises(TypeError, lambda: memoryview({}))
-assert_raises(TypeError, lambda: memoryview('string'))
+assert_raises(TypeError, lambda: memoryview("string"))
 assert_raises(TypeError, lambda: memoryview(C()))

+
 def test_slice():
-    b = b'123456789'
+    b = b"123456789"
    m = memoryview(b)
    m2 = memoryview(b)
    assert m == m
    assert m == m2
-    assert m.tobytes() == b'123456789'
+    assert m.tobytes() == b"123456789"
    assert m == b
-    assert m[::2].tobytes() == b'13579'
-    assert m[::2] == b'13579'
-    assert m[1::2].tobytes() == b'2468'
-    assert m[::2][1:].tobytes() == b'3579'
-    assert m[::2][1:-1].tobytes() == b'357'
-    assert m[::2][::2].tobytes() == b'159'
-    assert m[::2][1::2].tobytes() == b'37'
-    assert m[::-1].tobytes() == b'987654321'
-    assert m[::-2].tobytes() == b'97531'
+    assert m[::2].tobytes() == b"13579"
+    assert m[::2] == b"13579"
+    assert m[1::2].tobytes() == b"2468"
+    assert m[::2][1:].tobytes() == b"3579"
+    assert m[::2][1:-1].tobytes() == b"357"
+    assert m[::2][::2].tobytes() == b"159"
+    assert m[::2][1::2].tobytes() == b"37"
+    assert m[::-1].tobytes() == b"987654321"
+    assert m[::-2].tobytes() == b"97531"
+

 test_slice()

+
 def test_resizable():
-    b = bytearray(b'123')
+    b = bytearray(b"123")
    b.append(4)
    m = memoryview(b)
    assert_raises(BufferError, lambda: b.append(5))
@@ -68,18 +72,21 @@ def test_resizable():
    m4.release()
    b.append(7)

+
 test_resizable()

-def test_delitem():
-    a = b'abc'
-    b = memoryview(a)
-    assert_raises(TypeError, lambda : b.__delitem__())
-    assert_raises(TypeError, lambda : b.__delitem__(0))
-    assert_raises(TypeError, lambda : b.__delitem__(10))
-    a = bytearray(b'abc')
-    b = memoryview(a)
-    assert_raises(TypeError, lambda : b.__delitem__())
-    assert_raises(TypeError, lambda : b.__delitem__(1))
-    assert_raises(TypeError, lambda : b.__delitem__(12))

-test_delitem()
+def test_delitem():
+    a = b"abc"
+    b = memoryview(a)
+    assert_raises(TypeError, lambda: b.__delitem__())
+    assert_raises(TypeError, lambda: b.__delitem__(0))
+    assert_raises(TypeError, lambda: b.__delitem__(10))
+    a = bytearray(b"abc")
+    b = memoryview(a)
+    assert_raises(TypeError, lambda: b.__delitem__())
+    assert_raises(TypeError, lambda: b.__delitem__(1))
+    assert_raises(TypeError, lambda: b.__delitem__(12))
+
+
+test_delitem()
--- a/extra_tests/snippets/builtin_min.py
+++ b/extra_tests/snippets/builtin_min.py
@@ -3,17 +3,22 @@ from testutils import assert_raises
 # simple values
 assert min(0, 0) == 0
 assert min(1, 0) == 0
-assert min(1., 0.) == 0.
+assert min(1.0, 0.0) == 0.0
 assert min(-1, 0) == -1
 assert min(1, 2, 3) == 1

 # iterables
 assert min([1, 2, 3]) == 1
 assert min((1, 2, 3)) == 1
-assert min({
-    "a": 0,
-    "b": 1,
-}) == "a"
+assert (
+    min(
+        {
+            "a": 0,
+            "b": 1,
+        }
+    )
+    == "a"
+)
 assert min([1, 2], default=0) == 1
 assert min([], default=0) == 0

@@ -31,7 +36,7 @@ assert_raises(TypeError, min, 1)


 # custom class
-class MyComparable():
+class MyComparable:
    nb = 0

    def __init__(self):
@@ -48,7 +53,7 @@ assert min(first, second) == first
 assert min([first, second]) == first


-class MyNotComparable():
+class MyNotComparable:
    pass


--- a/extra_tests/snippets/builtin_none.py
+++ b/extra_tests/snippets/builtin_none.py
@@ -4,19 +4,22 @@ y = None
 x = None
 assert x is y

+
 def none():
    pass

+
 def none2():
    return None

+
 assert none() is none()
 assert none() is x

 assert none() is none2()

-assert str(None) == 'None'
-assert repr(None) == 'None'
+assert str(None) == "None"
+assert repr(None) == "None"
 assert type(None)() is None

 assert None.__eq__(3) is NotImplemented
--- a/extra_tests/snippets/builtin_object.py
+++ b/extra_tests/snippets/builtin_object.py
@@ -1,6 +1,7 @@
 class MyObject:
    pass

+
 assert not MyObject() == MyObject()
 assert MyObject() != MyObject()
 myobj = MyObject()
@@ -21,8 +22,8 @@ obj = MyObject()
 assert obj.__eq__(obj) is True
 assert obj.__ne__(obj) is False

-assert not hasattr(obj, 'a')
-obj.__dict__ = {'a': 1}
+assert not hasattr(obj, "a")
+obj.__dict__ = {"a": 1}
 assert obj.a == 1

 # Value inside the formatter goes through a different path of resolution.
--- a/extra_tests/snippets/builtin_open.py
+++ b/extra_tests/snippets/builtin_open.py
@@ -1,19 +1,19 @@
 from testutils import assert_raises

-fd = open('README.md')
-assert 'RustPython' in fd.read()
+fd = open("README.md")
+assert "RustPython" in fd.read()

-assert_raises(FileNotFoundError, open, 'DoesNotExist')
+assert_raises(FileNotFoundError, open, "DoesNotExist")

 # Use open as a context manager
-with open('README.md', 'rt') as fp:
+with open("README.md", "rt") as fp:
    contents = fp.read()
    assert type(contents) == str, "type is " + str(type(contents))

-with open('README.md', 'r') as fp:
+with open("README.md", "r") as fp:
    contents = fp.read()
    assert type(contents) == str, "type is " + str(type(contents))

-with open('README.md', 'rb') as fp:
+with open("README.md", "rb") as fp:
    contents = fp.read()
    assert type(contents) == bytes, "type is " + str(type(contents))
--- a/extra_tests/snippets/builtin_ord.py
+++ b/extra_tests/snippets/builtin_ord.py
@@ -3,11 +3,18 @@ from testutils import assert_raises
 assert ord("a") == 97
 assert ord("é") == 233
 assert ord("🤡") == 129313
-assert ord(b'a') == 97
-assert ord(bytearray(b'a')) == 97
+assert ord(b"a") == 97
+assert ord(bytearray(b"a")) == 97

-assert_raises(TypeError, ord, _msg='ord() is called with no argument')
-assert_raises(TypeError, ord, "", _msg='ord() is called with an empty string')
-assert_raises(TypeError, ord, "ab", _msg='ord() is called with more than one character')
-assert_raises(TypeError, ord, b"ab", _msg='ord() expected a character, but string of length 2 found')
-assert_raises(TypeError, ord, 1, _msg='ord() expected a string, bytes or bytearray, but found int')
+assert_raises(TypeError, ord, _msg="ord() is called with no argument")
+assert_raises(TypeError, ord, "", _msg="ord() is called with an empty string")
+assert_raises(TypeError, ord, "ab", _msg="ord() is called with more than one character")
+assert_raises(
+    TypeError,
+    ord,
+    b"ab",
+    _msg="ord() expected a character, but string of length 2 found",
+)
+assert_raises(
+    TypeError, ord, 1, _msg="ord() expected a string, bytes or bytearray, but found int"
+)
--- a/extra_tests/snippets/builtin_pow.py
+++ b/extra_tests/snippets/builtin_pow.py
@@ -12,7 +12,7 @@ assert pow(1, 2.0) == 1.0
 assert pow(2.0, 1) == 2.0
 assert pow(0, 10**1000) == 0
 assert pow(1, 10**1000) == 1
-assert pow(-1, 10**1000+1) == -1
+assert pow(-1, 10**1000 + 1) == -1
 assert pow(-1, 10**1000) == 1

 assert pow(2, 4, 5) == 1
@@ -59,7 +59,7 @@ def powtest(type):
            assert_raises(ZeroDivisionError, pow, zero, exp)

    il, ih = -20, 20
-    jl, jh = -5,   5
+    jl, jh = -5, 5
    kl, kh = -10, 10
    asseq = assert_equal
    if type == float:
@@ -76,10 +76,7 @@ def powtest(type):
                    if type == float or j < 0:
                        assert_raises(TypeError, pow, type(i), j, k)
                        continue
-                    asseq(
-                        pow(type(i), j, k),
-                        pow(type(i), j) % type(k)
-                    )
+                    asseq(pow(type(i), j, k), pow(type(i), j) % type(k))


 def test_powint():
@@ -92,40 +89,35 @@ def test_powfloat():

 def test_other():
    # Other tests-- not very systematic
-    assert_equal(pow(3,3) % 8, pow(3,3,8))
-    assert_equal(pow(3,3) % -8, pow(3,3,-8))
-    assert_equal(pow(3,2) % -2, pow(3,2,-2))
-    assert_equal(pow(-3,3) % 8, pow(-3,3,8))
-    assert_equal(pow(-3,3) % -8, pow(-3,3,-8))
-    assert_equal(pow(5,2) % -8, pow(5,2,-8))
+    assert_equal(pow(3, 3) % 8, pow(3, 3, 8))
+    assert_equal(pow(3, 3) % -8, pow(3, 3, -8))
+    assert_equal(pow(3, 2) % -2, pow(3, 2, -2))
+    assert_equal(pow(-3, 3) % 8, pow(-3, 3, 8))
+    assert_equal(pow(-3, 3) % -8, pow(-3, 3, -8))
+    assert_equal(pow(5, 2) % -8, pow(5, 2, -8))

-    assert_equal(pow(3,3) % 8, pow(3,3,8))
-    assert_equal(pow(3,3) % -8, pow(3,3,-8))
-    assert_equal(pow(3,2) % -2, pow(3,2,-2))
-    assert_equal(pow(-3,3) % 8, pow(-3,3,8))
-    assert_equal(pow(-3,3) % -8, pow(-3,3,-8))
-    assert_equal(pow(5,2) % -8, pow(5,2,-8))
+    assert_equal(pow(3, 3) % 8, pow(3, 3, 8))
+    assert_equal(pow(3, 3) % -8, pow(3, 3, -8))
+    assert_equal(pow(3, 2) % -2, pow(3, 2, -2))
+    assert_equal(pow(-3, 3) % 8, pow(-3, 3, 8))
+    assert_equal(pow(-3, 3) % -8, pow(-3, 3, -8))
+    assert_equal(pow(5, 2) % -8, pow(5, 2, -8))

    for i in range(-10, 11):
        for j in range(0, 6):
            for k in range(-7, 11):
                if j >= 0 and k != 0:
-                    assert_equal(
-                        pow(i,j) % k,
-                        pow(i,j,k)
-                    )
+                    assert_equal(pow(i, j) % k, pow(i, j, k))
                if j >= 0 and k != 0:
-                    assert_equal(
-                        pow(int(i),j) % k,
-                        pow(int(i),j,k)
-                    )
+                    assert_equal(pow(int(i), j) % k, pow(int(i), j, k))


 def test_bug643260():
    class TestRpow:
        def __rpow__(self, other):
            return None
-    None ** TestRpow() # Won't fail when __rpow__ invoked.  SF bug #643260.
+
+    None ** TestRpow()  # Won't fail when __rpow__ invoked.  SF bug #643260.


 def test_bug705231():
@@ -141,15 +133,15 @@ def test_bug705231():
    for b in range(-10, 11):
        eq(pow(a, float(b)), b & 1 and -1.0 or 1.0)
    for n in range(0, 100):
-        fiveto = float(5 ** n)
+        fiveto = float(5**n)
        # For small n, fiveto will be odd.  Eventually we run out of
        # mantissa bits, though, and thereafer fiveto will be even.
        expected = fiveto % 2.0 and -1.0 or 1.0
        eq(pow(a, fiveto), expected)
        eq(pow(a, -fiveto), expected)
-    eq(expected, 1.0)   # else we didn't push fiveto to evenness
+    eq(expected, 1.0)  # else we didn't push fiveto to evenness


-tests = [f for name, f in locals().items() if name.startswith('test_')]
+tests = [f for name, f in locals().items() if name.startswith("test_")]
 for f in tests:
    f()
--- a/extra_tests/snippets/builtin_print.py
+++ b/extra_tests/snippets/builtin_print.py
@@ -3,14 +3,14 @@ import io

 print(2 + 3)

-assert_raises(TypeError, print, 'test', end=4, _msg='wrong type passed to end')
-assert_raises(TypeError, print, 'test', sep=['a'], _msg='wrong type passed to sep')
+assert_raises(TypeError, print, "test", end=4, _msg="wrong type passed to end")
+assert_raises(TypeError, print, "test", sep=["a"], _msg="wrong type passed to sep")

 try:
-    print('test', end=None, sep=None, flush=None)
+    print("test", end=None, sep=None, flush=None)
 except:
-    assert False, 'Expected None passed to end, sep, and flush to not raise errors'
+    assert False, "Expected None passed to end, sep, and flush to not raise errors"

 buf = io.StringIO()
-print('hello, world', file=buf)
-assert buf.getvalue() == 'hello, world\n', buf.getvalue()
+print("hello, world", file=buf)
+assert buf.getvalue() == "hello, world\n", buf.getvalue()
--- a/extra_tests/snippets/builtin_property.py
+++ b/extra_tests/snippets/builtin_property.py
@@ -62,8 +62,8 @@ with assert_raises(TypeError):
 assert p.__doc__ is None

 # Test property instance __doc__ attribute:
-p.__doc__ = '222'
-assert p.__doc__ == '222'
+p.__doc__ = "222"
+assert p.__doc__ == "222"


 p1 = property("a", "b", "c")
@@ -83,5 +83,5 @@ assert p1.deleter(None).fdel == "c"
 assert p1.__get__(None, object) is p1
 # assert p1.__doc__ is 'a'.__doc__

-p2 = property('a', doc='pdoc')
+p2 = property("a", doc="pdoc")
 # assert p2.__doc__ == 'pdoc'
--- a/extra_tests/snippets/builtin_range.py
+++ b/extra_tests/snippets/builtin_range.py
@@ -1,11 +1,11 @@
 from testutils import assert_raises

-assert range(2**63+1)[2**63] == 9223372036854775808
+assert range(2**63 + 1)[2**63] == 9223372036854775808

 # len tests
-assert len(range(10, 5)) == 0, 'Range with no elements should have length = 0'
-assert len(range(10, 5, -2)) == 3, 'Expected length 3, for elements: 10, 8, 6'
-assert len(range(5, 10, 2)) == 3, 'Expected length 3, for elements: 5, 7, 9'
+assert len(range(10, 5)) == 0, "Range with no elements should have length = 0"
+assert len(range(10, 5, -2)) == 3, "Expected length 3, for elements: 10, 8, 6"
+assert len(range(5, 10, 2)) == 3, "Expected length 3, for elements: 5, 7, 9"

 # index tests
 assert range(10).index(6) == 6
@@ -13,18 +13,18 @@ assert range(4, 10).index(6) == 2
 assert range(4, 10, 2).index(6) == 1
 assert range(10, 4, -2).index(8) == 1

-assert_raises(ValueError, lambda: range(10).index(-1), _msg='out of bounds')
-assert_raises(ValueError, lambda: range(10).index(10), _msg='out of bounds')
-assert_raises(ValueError, lambda: range(4, 10, 2).index(5), _msg='out of step')
-assert_raises(ValueError, lambda: range(10).index('foo'), _msg='not an int')
-assert_raises(ValueError, lambda: range(1, 10, 0), _msg='step is zero')
+assert_raises(ValueError, lambda: range(10).index(-1), _msg="out of bounds")
+assert_raises(ValueError, lambda: range(10).index(10), _msg="out of bounds")
+assert_raises(ValueError, lambda: range(4, 10, 2).index(5), _msg="out of step")
+assert_raises(ValueError, lambda: range(10).index("foo"), _msg="not an int")
+assert_raises(ValueError, lambda: range(1, 10, 0), _msg="step is zero")

 # get tests
 assert range(10)[0] == 0
 assert range(10)[9] == 9
 assert range(10, 0, -1)[0] == 10
 assert range(10, 0, -1)[9] == 1
-assert_raises(IndexError, lambda: range(10)[10], _msg='out of bound')
+assert_raises(IndexError, lambda: range(10)[10], _msg="out of bound")

 # slice tests
 assert range(10)[0:3] == range(3)
@@ -34,13 +34,17 @@ assert range(10)[-15:3] == range(0, 3)
 assert range(10, 100, 3)[4:1000:5] == range(22, 100, 15)
 assert range(10)[:] == range(10)
 assert range(10, 0, -2)[0:5:2] == range(10, 0, -4)
-assert range(10)[10:11] == range(10,10)
+assert range(10)[10:11] == range(10, 10)
 assert range(0, 10, -1)[::-1] == range(1, 1)
 assert range(0, 10)[::-1] == range(9, -1, -1)
 assert range(0, -10)[::-1] == range(-1, -1, -1)
 assert range(0, -10)[::-1][::-1] == range(0, 0)
-assert_raises(ValueError, lambda: range(0, 10)[::0], _msg='slice step cannot be zero')
-assert_raises(TypeError, lambda: range(0, 10)['a':], _msg='slice indices must be integers or None or have an __index__ method')
+assert_raises(ValueError, lambda: range(0, 10)[::0], _msg="slice step cannot be zero")
+assert_raises(
+    TypeError,
+    lambda: range(0, 10)["a":],
+    _msg="slice indices must be integers or None or have an __index__ method",
+)

 # count tests
 assert range(10).count(2) == 1
@@ -64,22 +68,22 @@ assert range(10).__eq__(range(0, 11, 1)) is False
 assert range(10).__ne__(range(0, 11, 1)) is True
 assert range(0, 10, 3).__eq__(range(0, 11, 3)) is True
 assert range(0, 10, 3).__ne__(range(0, 11, 3)) is False
-#__lt__
+# __lt__
 assert range(1, 2, 3).__lt__(range(1, 2, 3)) == NotImplemented
 assert range(1, 2, 1).__lt__(range(1, 2)) == NotImplemented
 assert range(2).__lt__(range(0, 2)) == NotImplemented

-#__gt__
+# __gt__
 assert range(1, 2, 3).__gt__(range(1, 2, 3)) == NotImplemented
 assert range(1, 2, 1).__gt__(range(1, 2)) == NotImplemented
 assert range(2).__gt__(range(0, 2)) == NotImplemented

-#__le__
+# __le__
 assert range(1, 2, 3).__le__(range(1, 2, 3)) == NotImplemented
 assert range(1, 2, 1).__le__(range(1, 2)) == NotImplemented
 assert range(2).__le__(range(0, 2)) == NotImplemented

-#__ge__
+# __ge__
 assert range(1, 2, 3).__ge__(range(1, 2, 3)) == NotImplemented
 assert range(1, 2, 1).__ge__(range(1, 2)) == NotImplemented
 assert range(2).__ge__(range(0, 2)) == NotImplemented
@@ -101,12 +105,12 @@ assert 8 in range(10, 4, -2)
 assert -1 not in range(10)
 assert 9 not in range(10, 4, -2)
 assert 4 not in range(10, 4, -2)
-assert 'foo' not in range(10)
+assert "foo" not in range(10)

 # __reversed__
 assert list(reversed(range(5))) == [4, 3, 2, 1, 0]
 assert list(reversed(range(5, 0, -1))) == [1, 2, 3, 4, 5]
-assert list(reversed(range(1,10,5))) == [6, 1]
+assert list(reversed(range(1, 10, 5))) == [6, 1]

 # __reduce__
 assert range(10).__reduce__()[0] == range
@@ -120,7 +124,7 @@ assert range(i).stop is i

 # negative index
 assert range(10)[-1] == 9
-assert_raises(IndexError, lambda: range(10)[-11], _msg='out of bound')
+assert_raises(IndexError, lambda: range(10)[-11], _msg="out of bound")
 assert range(10)[-2:4] == range(8, 4)
 assert range(10)[-6:-2] == range(4, 8)
 assert range(50, 0, -2)[-5] == 10
--- a/extra_tests/snippets/builtin_reversed.py
+++ b/extra_tests/snippets/builtin_reversed.py
@@ -1,4 +1,4 @@
 assert list(reversed(range(5))) == [4, 3, 2, 1, 0]

-l = [5,4,3,2,1]
-assert list(reversed(l)) == [1,2,3,4,5]
+l = [5, 4, 3, 2, 1]
+assert list(reversed(l)) == [1, 2, 3, 4, 5]
--- a/extra_tests/snippets/builtin_round.py
+++ b/extra_tests/snippets/builtin_round.py
@@ -8,11 +8,11 @@ assert round(-0.5) == 0
 assert round(-1.5) == -2

 # ValueError: cannot convert float NaN to integer
-assert_raises(ValueError, round, float('nan'))
+assert_raises(ValueError, round, float("nan"))
 # OverflowError: cannot convert float infinity to integer
-assert_raises(OverflowError, round, float('inf'))
+assert_raises(OverflowError, round, float("inf"))
 # OverflowError: cannot convert float infinity to integer
-assert_raises(OverflowError, round, -float('inf'))
+assert_raises(OverflowError, round, -float("inf"))

 assert round(0) == 0
 assert isinstance(round(0), int)
--- a/extra_tests/snippets/builtin_set.py
+++ b/extra_tests/snippets/builtin_set.py
@@ -1,38 +1,54 @@
 from testutils import assert_raises

-assert set([1,2]) == set([1,2])
-assert not set([1,2,3]) == set([1,2])
+assert set([1, 2]) == set([1, 2])
+assert not set([1, 2, 3]) == set([1, 2])

-assert set([1,2,3]) >= set([1,2])
-assert set([1,2]) >= set([1,2])
-assert not set([1,3]) >= set([1,2])
+assert set([1, 2, 3]) >= set([1, 2])
+assert set([1, 2]) >= set([1, 2])
+assert not set([1, 3]) >= set([1, 2])

-assert set([1,2,3]).issuperset(set([1,2]))
-assert set([1,2]).issuperset(set([1,2]))
-assert not set([1,3]).issuperset(set([1,2]))
+assert set([1, 2, 3]).issuperset(set([1, 2]))
+assert set([1, 2]).issuperset(set([1, 2]))
+assert not set([1, 3]).issuperset(set([1, 2]))

-assert set([1,2,3]) > set([1,2])
-assert not set([1,2]) > set([1,2])
-assert not set([1,3]) > set([1,2])
+assert set([1, 2, 3]) > set([1, 2])
+assert not set([1, 2]) > set([1, 2])
+assert not set([1, 3]) > set([1, 2])

-assert set([1,2]) <= set([1,2,3])
-assert set([1,2]) <= set([1,2])
-assert not set([1,3]) <= set([1,2])
+assert set([1, 2]) <= set([1, 2, 3])
+assert set([1, 2]) <= set([1, 2])
+assert not set([1, 3]) <= set([1, 2])

-assert set([1,2]).issubset(set([1,2,3]))
-assert set([1,2]).issubset(set([1,2]))
-assert not set([1,3]).issubset(set([1,2]))
+assert set([1, 2]).issubset(set([1, 2, 3]))
+assert set([1, 2]).issubset(set([1, 2]))
+assert not set([1, 3]).issubset(set([1, 2]))

-assert set([1,2]) < set([1,2,3])
-assert not set([1,2]) < set([1,2])
-assert not set([1,3]) < set([1,2])
+assert set([1, 2]) < set([1, 2, 3])
+assert not set([1, 2]) < set([1, 2])
+assert not set([1, 3]) < set([1, 2])

 assert (set() == []) is False
 assert set().__eq__([]) == NotImplemented
-assert_raises(TypeError, lambda: set() < [], _msg="'<' not supported between instances of 'set' and 'list'")
-assert_raises(TypeError, lambda: set() <= [], _msg="'<=' not supported between instances of 'set' and 'list'")
-assert_raises(TypeError, lambda: set() > [], _msg="'>' not supported between instances of 'set' and 'list'")
-assert_raises(TypeError, lambda: set() >= [], _msg="'>=' not supported between instances of 'set' and 'list'")
+assert_raises(
+    TypeError,
+    lambda: set() < [],
+    _msg="'<' not supported between instances of 'set' and 'list'",
+)
+assert_raises(
+    TypeError,
+    lambda: set() <= [],
+    _msg="'<=' not supported between instances of 'set' and 'list'",
+)
+assert_raises(
+    TypeError,
+    lambda: set() > [],
+    _msg="'>' not supported between instances of 'set' and 'list'",
+)
+assert_raises(
+    TypeError,
+    lambda: set() >= [],
+    _msg="'>=' not supported between instances of 'set' and 'list'",
+)
 assert set().issuperset([])
 assert set().issubset([])
 assert not set().issuperset([1, 2, 3])
@@ -47,6 +63,7 @@ assert_raises(TypeError, lambda: set() >= 3, _msg="'int' object is not iterable"
 assert_raises(TypeError, set().issuperset, 3, _msg="'int' object is not iterable")
 assert_raises(TypeError, set().issubset, 3, _msg="'int' object is not iterable")

+
 class Hashable(object):
    def __init__(self, obj):
        self.obj = obj
@@ -57,6 +74,7 @@ class Hashable(object):
    def __hash__(self):
        return id(self)

+
 assert repr(set()) == "set()"
 assert repr(set([1, 2, 3])) == "{1, 2, 3}"

@@ -64,9 +82,11 @@ recursive = set()
 recursive.add(Hashable(recursive))
 assert repr(recursive) == "{set(...)}"

+
 class S(set):
    pass

+
 assert repr(S()) == "S()"
 assert repr(S([1, 2, 3])) == "S({1, 2, 3})"

@@ -79,44 +99,44 @@ assert len(a) == 3
 a.clear()
 assert len(a) == 0

-assert set([1,2,3]).union(set([4,5])) == set([1,2,3,4,5])
-assert set([1,2,3]).union(set([1,2,3,4,5])) == set([1,2,3,4,5])
-assert set([1,2,3]).union([1,2,3,4,5]) == set([1,2,3,4,5])
+assert set([1, 2, 3]).union(set([4, 5])) == set([1, 2, 3, 4, 5])
+assert set([1, 2, 3]).union(set([1, 2, 3, 4, 5])) == set([1, 2, 3, 4, 5])
+assert set([1, 2, 3]).union([1, 2, 3, 4, 5]) == set([1, 2, 3, 4, 5])

-assert set([1,2,3]) | set([4,5]) == set([1,2,3,4,5])
-assert set([1,2,3]) | set([1,2,3,4,5]) == set([1,2,3,4,5])
-assert_raises(TypeError, lambda: set([1,2,3]) | [1,2,3,4,5])
+assert set([1, 2, 3]) | set([4, 5]) == set([1, 2, 3, 4, 5])
+assert set([1, 2, 3]) | set([1, 2, 3, 4, 5]) == set([1, 2, 3, 4, 5])
+assert_raises(TypeError, lambda: set([1, 2, 3]) | [1, 2, 3, 4, 5])

-assert set([1,2,3]).intersection(set([1,2])) == set([1,2])
-assert set([1,2,3]).intersection(set([5,6])) == set([])
-assert set([1,2,3]).intersection([1,2]) == set([1,2])
+assert set([1, 2, 3]).intersection(set([1, 2])) == set([1, 2])
+assert set([1, 2, 3]).intersection(set([5, 6])) == set([])
+assert set([1, 2, 3]).intersection([1, 2]) == set([1, 2])

-assert set([1,2,3]) & set([4,5]) == set([])
-assert set([1,2,3]) & set([1,2,3,4,5]) == set([1,2,3])
-assert_raises(TypeError, lambda: set([1,2,3]) & [1,2,3,4,5])
+assert set([1, 2, 3]) & set([4, 5]) == set([])
+assert set([1, 2, 3]) & set([1, 2, 3, 4, 5]) == set([1, 2, 3])
+assert_raises(TypeError, lambda: set([1, 2, 3]) & [1, 2, 3, 4, 5])

-assert set([1,2,3]).difference(set([1,2])) == set([3])
-assert set([1,2,3]).difference(set([5,6])) == set([1,2,3])
-assert set([1,2,3]).difference([1,2]) == set([3])
+assert set([1, 2, 3]).difference(set([1, 2])) == set([3])
+assert set([1, 2, 3]).difference(set([5, 6])) == set([1, 2, 3])
+assert set([1, 2, 3]).difference([1, 2]) == set([3])

-assert set([1,2,3]) - set([4,5]) == set([1,2,3])
-assert set([1,2,3]) - set([1,2,3,4,5]) == set([])
-assert_raises(TypeError, lambda: set([1,2,3]) - [1,2,3,4,5])
+assert set([1, 2, 3]) - set([4, 5]) == set([1, 2, 3])
+assert set([1, 2, 3]) - set([1, 2, 3, 4, 5]) == set([])
+assert_raises(TypeError, lambda: set([1, 2, 3]) - [1, 2, 3, 4, 5])

-assert set([1,2]).__sub__(set([2,3])) == set([1])
-assert set([1,2]).__rsub__(set([2,3])) == set([3])
+assert set([1, 2]).__sub__(set([2, 3])) == set([1])
+assert set([1, 2]).__rsub__(set([2, 3])) == set([3])

-assert set([1,2,3]).symmetric_difference(set([1,2])) == set([3])
-assert set([1,2,3]).symmetric_difference(set([5,6])) == set([1,2,3,5,6])
-assert set([1,2,3]).symmetric_difference([1,2]) == set([3])
+assert set([1, 2, 3]).symmetric_difference(set([1, 2])) == set([3])
+assert set([1, 2, 3]).symmetric_difference(set([5, 6])) == set([1, 2, 3, 5, 6])
+assert set([1, 2, 3]).symmetric_difference([1, 2]) == set([3])

-assert set([1,2,3]) ^ set([4,5]) == set([1,2,3,4,5])
-assert set([1,2,3]) ^ set([1,2,3,4,5]) == set([4,5])
-assert_raises(TypeError, lambda: set([1,2,3]) ^ [1,2,3,4,5])
+assert set([1, 2, 3]) ^ set([4, 5]) == set([1, 2, 3, 4, 5])
+assert set([1, 2, 3]) ^ set([1, 2, 3, 4, 5]) == set([4, 5])
+assert_raises(TypeError, lambda: set([1, 2, 3]) ^ [1, 2, 3, 4, 5])

-assert set([1,2,3]).isdisjoint(set([5,6])) == True
-assert set([1,2,3]).isdisjoint(set([2,5,6])) == False
-assert set([1,2,3]).isdisjoint([5,6]) == True
+assert set([1, 2, 3]).isdisjoint(set([5, 6])) == True
+assert set([1, 2, 3]).isdisjoint(set([2, 5, 6])) == False
+assert set([1, 2, 3]).isdisjoint([5, 6]) == True

 assert_raises(TypeError, lambda: set() & [])
 assert_raises(TypeError, lambda: set() | [])
@@ -132,7 +152,7 @@ assert a.discard(1) is None
 assert not 1 in a
 assert a.discard(42) is None

-a = set([1,2,3])
+a = set([1, 2, 3])
 b = a.copy()
 assert len(a) == 3
 assert len(b) == 3
@@ -140,71 +160,71 @@ b.clear()
 assert len(a) == 3
 assert len(b) == 0

-a = set([1,2])
+a = set([1, 2])
 b = a.pop()
-assert b in [1,2]
+assert b in [1, 2]
 c = a.pop()
-assert (c in [1,2] and c != b)
+assert c in [1, 2] and c != b
 assert_raises(KeyError, lambda: a.pop())

-a = set([1,2,3])
-a.update([3,4,5])
-assert a == set([1,2,3,4,5])
+a = set([1, 2, 3])
+a.update([3, 4, 5])
+assert a == set([1, 2, 3, 4, 5])
 assert_raises(TypeError, lambda: a.update(1))

-a = set([1,2,3])
+a = set([1, 2, 3])
 b = set()
 for e in a:
-	assert e == 1 or e == 2 or e == 3
-	b.add(e)
+    assert e == 1 or e == 2 or e == 3
+    b.add(e)
 assert a == b

-a = set([1,2,3])
-a |= set([3,4,5])
-assert a == set([1,2,3,4,5])
+a = set([1, 2, 3])
+a |= set([3, 4, 5])
+assert a == set([1, 2, 3, 4, 5])
 with assert_raises(TypeError):
-	a |= 1
+    a |= 1
 with assert_raises(TypeError):
-	a |= [1,2,3]
+    a |= [1, 2, 3]

-a = set([1,2,3])
-a.intersection_update([2,3,4,5])
-assert a == set([2,3])
+a = set([1, 2, 3])
+a.intersection_update([2, 3, 4, 5])
+assert a == set([2, 3])
 assert_raises(TypeError, lambda: a.intersection_update(1))

-a = set([1,2,3])
-a &= set([2,3,4,5])
-assert a == set([2,3])
+a = set([1, 2, 3])
+a &= set([2, 3, 4, 5])
+assert a == set([2, 3])
 with assert_raises(TypeError):
-	a &= 1
+    a &= 1
 with assert_raises(TypeError):
-	a &= [1,2,3]
+    a &= [1, 2, 3]

-a = set([1,2,3])
-a.difference_update([3,4,5])
-assert a == set([1,2])
+a = set([1, 2, 3])
+a.difference_update([3, 4, 5])
+assert a == set([1, 2])
 assert_raises(TypeError, lambda: a.difference_update(1))

-a = set([1,2,3])
-a -= set([3,4,5])
-assert a == set([1,2])
+a = set([1, 2, 3])
+a -= set([3, 4, 5])
+assert a == set([1, 2])
 with assert_raises(TypeError):
-	a -= 1
+    a -= 1
 with assert_raises(TypeError):
-	a -= [1,2,3]
+    a -= [1, 2, 3]

-a = set([1,2,3])
-a.symmetric_difference_update([3,4,5])
-assert a == set([1,2,4,5])
+a = set([1, 2, 3])
+a.symmetric_difference_update([3, 4, 5])
+assert a == set([1, 2, 4, 5])
 assert_raises(TypeError, lambda: a.difference_update(1))

-a = set([1,2,3])
-a ^= set([3,4,5])
-assert a == set([1,2,4,5])
+a = set([1, 2, 3])
+a ^= set([3, 4, 5])
+assert a == set([1, 2, 4, 5])
 with assert_raises(TypeError):
-	a ^= 1
+    a ^= 1
 with assert_raises(TypeError):
-	a ^= [1,2,3]
+    a ^= [1, 2, 3]

 a = set([1, 2, 3])
 i = iter(a)
@@ -218,142 +238,154 @@ a.remove(4)

 # frozen set

-assert frozenset([1,2]) == frozenset([1,2])
-assert not frozenset([1,2,3]) == frozenset([1,2])
+assert frozenset([1, 2]) == frozenset([1, 2])
+assert not frozenset([1, 2, 3]) == frozenset([1, 2])

-assert frozenset([1,2,3]) >= frozenset([1,2])
-assert frozenset([1,2]) >= frozenset([1,2])
-assert not frozenset([1,3]) >= frozenset([1,2])
+assert frozenset([1, 2, 3]) >= frozenset([1, 2])
+assert frozenset([1, 2]) >= frozenset([1, 2])
+assert not frozenset([1, 3]) >= frozenset([1, 2])

-assert frozenset([1,2,3]).issuperset(frozenset([1,2]))
-assert frozenset([1,2]).issuperset(frozenset([1,2]))
-assert not frozenset([1,3]).issuperset(frozenset([1,2]))
+assert frozenset([1, 2, 3]).issuperset(frozenset([1, 2]))
+assert frozenset([1, 2]).issuperset(frozenset([1, 2]))
+assert not frozenset([1, 3]).issuperset(frozenset([1, 2]))

-assert frozenset([1,2,3]) > frozenset([1,2])
-assert not frozenset([1,2]) > frozenset([1,2])
-assert not frozenset([1,3]) > frozenset([1,2])
+assert frozenset([1, 2, 3]) > frozenset([1, 2])
+assert not frozenset([1, 2]) > frozenset([1, 2])
+assert not frozenset([1, 3]) > frozenset([1, 2])

-assert frozenset([1,2]) <= frozenset([1,2,3])
-assert frozenset([1,2]) <= frozenset([1,2])
-assert not frozenset([1,3]) <= frozenset([1,2])
+assert frozenset([1, 2]) <= frozenset([1, 2, 3])
+assert frozenset([1, 2]) <= frozenset([1, 2])
+assert not frozenset([1, 3]) <= frozenset([1, 2])

-assert frozenset([1,2]).issubset(frozenset([1,2,3]))
-assert frozenset([1,2]).issubset(frozenset([1,2]))
-assert not frozenset([1,3]).issubset(frozenset([1,2]))
+assert frozenset([1, 2]).issubset(frozenset([1, 2, 3]))
+assert frozenset([1, 2]).issubset(frozenset([1, 2]))
+assert not frozenset([1, 3]).issubset(frozenset([1, 2]))

-assert frozenset([1,2]) < frozenset([1,2,3])
-assert not frozenset([1,2]) < frozenset([1,2])
-assert not frozenset([1,3]) < frozenset([1,2])
+assert frozenset([1, 2]) < frozenset([1, 2, 3])
+assert not frozenset([1, 2]) < frozenset([1, 2])
+assert not frozenset([1, 3]) < frozenset([1, 2])

 a = frozenset([1, 2, 3])
 assert len(a) == 3
 b = a.copy()
 assert b == a

-assert frozenset([1,2,3]).union(frozenset([4,5])) == frozenset([1,2,3,4,5])
-assert frozenset([1,2,3]).union(frozenset([1,2,3,4,5])) == frozenset([1,2,3,4,5])
-assert frozenset([1,2,3]).union([1,2,3,4,5]) == frozenset([1,2,3,4,5])
+assert frozenset([1, 2, 3]).union(frozenset([4, 5])) == frozenset([1, 2, 3, 4, 5])
+assert frozenset([1, 2, 3]).union(frozenset([1, 2, 3, 4, 5])) == frozenset(
+    [1, 2, 3, 4, 5]
+)
+assert frozenset([1, 2, 3]).union([1, 2, 3, 4, 5]) == frozenset([1, 2, 3, 4, 5])

-assert frozenset([1,2,3]) | frozenset([4,5]) == frozenset([1,2,3,4,5])
-assert frozenset([1,2,3]) | frozenset([1,2,3,4,5]) == frozenset([1,2,3,4,5])
-assert_raises(TypeError, lambda: frozenset([1,2,3]) | [1,2,3,4,5])
+assert frozenset([1, 2, 3]) | frozenset([4, 5]) == frozenset([1, 2, 3, 4, 5])
+assert frozenset([1, 2, 3]) | frozenset([1, 2, 3, 4, 5]) == frozenset([1, 2, 3, 4, 5])
+assert_raises(TypeError, lambda: frozenset([1, 2, 3]) | [1, 2, 3, 4, 5])

-assert frozenset([1,2,3]).intersection(frozenset([1,2])) == frozenset([1,2])
-assert frozenset([1,2,3]).intersection(frozenset([5,6])) == frozenset([])
-assert frozenset([1,2,3]).intersection([1,2]) == frozenset([1,2])
+assert frozenset([1, 2, 3]).intersection(frozenset([1, 2])) == frozenset([1, 2])
+assert frozenset([1, 2, 3]).intersection(frozenset([5, 6])) == frozenset([])
+assert frozenset([1, 2, 3]).intersection([1, 2]) == frozenset([1, 2])

-assert frozenset([1,2,3]) & frozenset([4,5]) == frozenset([])
-assert frozenset([1,2,3]) & frozenset([1,2,3,4,5]) == frozenset([1,2,3])
-assert_raises(TypeError, lambda: frozenset([1,2,3]) & [1,2,3,4,5])
+assert frozenset([1, 2, 3]) & frozenset([4, 5]) == frozenset([])
+assert frozenset([1, 2, 3]) & frozenset([1, 2, 3, 4, 5]) == frozenset([1, 2, 3])
+assert_raises(TypeError, lambda: frozenset([1, 2, 3]) & [1, 2, 3, 4, 5])

-assert frozenset([1,2,3]).difference(frozenset([1,2])) == frozenset([3])
-assert frozenset([1,2,3]).difference(frozenset([5,6])) == frozenset([1,2,3])
-assert frozenset([1,2,3]).difference([1,2]) == frozenset([3])
+assert frozenset([1, 2, 3]).difference(frozenset([1, 2])) == frozenset([3])
+assert frozenset([1, 2, 3]).difference(frozenset([5, 6])) == frozenset([1, 2, 3])
+assert frozenset([1, 2, 3]).difference([1, 2]) == frozenset([3])

-assert frozenset([1,2,3]) - frozenset([4,5]) == frozenset([1,2,3])
-assert frozenset([1,2,3]) - frozenset([1,2,3,4,5]) == frozenset([])
-assert_raises(TypeError, lambda: frozenset([1,2,3]) - [1,2,3,4,5])
+assert frozenset([1, 2, 3]) - frozenset([4, 5]) == frozenset([1, 2, 3])
+assert frozenset([1, 2, 3]) - frozenset([1, 2, 3, 4, 5]) == frozenset([])
+assert_raises(TypeError, lambda: frozenset([1, 2, 3]) - [1, 2, 3, 4, 5])

-assert frozenset([1,2]).__sub__(frozenset([2,3])) == frozenset([1])
-assert frozenset([1,2]).__rsub__(frozenset([2,3])) == frozenset([3])
+assert frozenset([1, 2]).__sub__(frozenset([2, 3])) == frozenset([1])
+assert frozenset([1, 2]).__rsub__(frozenset([2, 3])) == frozenset([3])

-assert frozenset([1,2,3]).symmetric_difference(frozenset([1,2])) == frozenset([3])
-assert frozenset([1,2,3]).symmetric_difference(frozenset([5,6])) == frozenset([1,2,3,5,6])
-assert frozenset([1,2,3]).symmetric_difference([1,2]) == frozenset([3])
+assert frozenset([1, 2, 3]).symmetric_difference(frozenset([1, 2])) == frozenset([3])
+assert frozenset([1, 2, 3]).symmetric_difference(frozenset([5, 6])) == frozenset(
+    [1, 2, 3, 5, 6]
+)
+assert frozenset([1, 2, 3]).symmetric_difference([1, 2]) == frozenset([3])

-assert frozenset([1,2,3]) ^ frozenset([4,5]) == frozenset([1,2,3,4,5])
-assert frozenset([1,2,3]) ^ frozenset([1,2,3,4,5]) == frozenset([4,5])
-assert_raises(TypeError, lambda: frozenset([1,2,3]) ^ [1,2,3,4,5])
+assert frozenset([1, 2, 3]) ^ frozenset([4, 5]) == frozenset([1, 2, 3, 4, 5])
+assert frozenset([1, 2, 3]) ^ frozenset([1, 2, 3, 4, 5]) == frozenset([4, 5])
+assert_raises(TypeError, lambda: frozenset([1, 2, 3]) ^ [1, 2, 3, 4, 5])

-assert frozenset([1,2,3]).isdisjoint(frozenset([5,6])) == True
-assert frozenset([1,2,3]).isdisjoint(frozenset([2,5,6])) == False
-assert frozenset([1,2,3]).isdisjoint([5,6]) == True
+assert frozenset([1, 2, 3]).isdisjoint(frozenset([5, 6])) == True
+assert frozenset([1, 2, 3]).isdisjoint(frozenset([2, 5, 6])) == False
+assert frozenset([1, 2, 3]).isdisjoint([5, 6]) == True

 assert_raises(TypeError, frozenset, [[]])

-a = frozenset([1,2,3])
+a = frozenset([1, 2, 3])
 b = set()
 for e in a:
-	assert e == 1 or e == 2 or e == 3
-	b.add(e)
+    assert e == 1 or e == 2 or e == 3
+    b.add(e)
 assert a == b

 # set and frozen set
-assert frozenset([1,2,3]).union(set([4,5])) == frozenset([1,2,3,4,5])
-assert set([1,2,3]).union(frozenset([4,5])) == set([1,2,3,4,5])
+assert frozenset([1, 2, 3]).union(set([4, 5])) == frozenset([1, 2, 3, 4, 5])
+assert set([1, 2, 3]).union(frozenset([4, 5])) == set([1, 2, 3, 4, 5])

-assert frozenset([1,2,3]) | set([4,5]) == frozenset([1,2,3,4,5])
-assert set([1,2,3]) | frozenset([4,5]) == set([1,2,3,4,5])
+assert frozenset([1, 2, 3]) | set([4, 5]) == frozenset([1, 2, 3, 4, 5])
+assert set([1, 2, 3]) | frozenset([4, 5]) == set([1, 2, 3, 4, 5])

-assert frozenset([1,2,3]).intersection(set([5,6])) == frozenset([])
-assert set([1,2,3]).intersection(frozenset([5,6])) == set([])
+assert frozenset([1, 2, 3]).intersection(set([5, 6])) == frozenset([])
+assert set([1, 2, 3]).intersection(frozenset([5, 6])) == set([])

-assert frozenset([1,2,3]) & set([1,2,3,4,5]) == frozenset([1,2,3])
-assert set([1,2,3]) & frozenset([1,2,3,4,5]) == set([1,2,3])
+assert frozenset([1, 2, 3]) & set([1, 2, 3, 4, 5]) == frozenset([1, 2, 3])
+assert set([1, 2, 3]) & frozenset([1, 2, 3, 4, 5]) == set([1, 2, 3])

-assert frozenset([1,2,3]).difference(set([5,6])) == frozenset([1,2,3])
-assert set([1,2,3]).difference(frozenset([5,6])) == set([1,2,3])
+assert frozenset([1, 2, 3]).difference(set([5, 6])) == frozenset([1, 2, 3])
+assert set([1, 2, 3]).difference(frozenset([5, 6])) == set([1, 2, 3])

-assert frozenset([1,2,3]) - set([4,5]) == frozenset([1,2,3])
-assert set([1,2,3]) - frozenset([4,5]) == frozenset([1,2,3])
+assert frozenset([1, 2, 3]) - set([4, 5]) == frozenset([1, 2, 3])
+assert set([1, 2, 3]) - frozenset([4, 5]) == frozenset([1, 2, 3])

-assert frozenset([1,2]).__sub__(set([2,3])) == frozenset([1])
-assert frozenset([1,2]).__rsub__(set([2,3])) == set([3])
-assert set([1,2]).__sub__(frozenset([2,3])) == set([1])
-assert set([1,2]).__rsub__(frozenset([2,3])) == frozenset([3])
+assert frozenset([1, 2]).__sub__(set([2, 3])) == frozenset([1])
+assert frozenset([1, 2]).__rsub__(set([2, 3])) == set([3])
+assert set([1, 2]).__sub__(frozenset([2, 3])) == set([1])
+assert set([1, 2]).__rsub__(frozenset([2, 3])) == frozenset([3])

-assert frozenset([1,2,3]).symmetric_difference(set([1,2])) == frozenset([3])
-assert set([1,2,3]).symmetric_difference(frozenset([1,2])) == set([3])
+assert frozenset([1, 2, 3]).symmetric_difference(set([1, 2])) == frozenset([3])
+assert set([1, 2, 3]).symmetric_difference(frozenset([1, 2])) == set([3])
+
+assert frozenset([1, 2, 3]) ^ set([4, 5]) == frozenset([1, 2, 3, 4, 5])
+assert set([1, 2, 3]) ^ frozenset([4, 5]) == set([1, 2, 3, 4, 5])

-assert frozenset([1,2,3]) ^ set([4,5]) == frozenset([1,2,3,4,5])
-assert set([1,2,3]) ^ frozenset([4,5]) == set([1,2,3,4,5])

 class A:
    def __hash__(self):
        return 1
+
+
 class B:
    def __hash__(self):
        return 1

+
 s = {1, A(), B()}
 assert len(s) == 3

 s = {True}
 s.add(1.0)
-assert str(s) == '{True}'
+assert str(s) == "{True}"
+

 class EqObject:
    def __init__(self, eq):
        self.eq = eq
+
    def __eq__(self, other):
        return self.eq
+
    def __hash__(self):
        return bool(self.eq)

-assert 'x' == (EqObject('x') == EqObject('x'))
-s = {EqObject('x')}
-assert EqObject('x') in s
-assert '[]' == (EqObject('[]') == EqObject('[]'))
+
+assert "x" == (EqObject("x") == EqObject("x"))
+s = {EqObject("x")}
+assert EqObject("x") in s
+assert "[]" == (EqObject("[]") == EqObject("[]"))
 s = {EqObject([])}
 assert EqObject([]) not in s
 x = object()
@@ -372,8 +404,8 @@ assert not frozenset([1, 2]).__ne__(frozenset([2, 1]))
 assert frozenset().__ne__(1) == NotImplemented

 empty_set = set()
-non_empty_set = set([1,2,3])
-set_from_literal = {1,2,3}
+non_empty_set = set([1, 2, 3])
+set_from_literal = {1, 2, 3}

 assert 1 in non_empty_set
 assert 4 not in non_empty_set
@@ -382,8 +414,8 @@ assert 1 in set_from_literal
 assert 4 not in set_from_literal

 # TODO: Assert that empty aruguments raises exception.
-non_empty_set.add('a')
-assert 'a' in non_empty_set
+non_empty_set.add("a")
+assert "a" in non_empty_set

 # TODO: Assert that empty arguments, or item not in set raises exception.
 non_empty_set.remove(1)
@@ -394,8 +426,10 @@ assert 1 not in non_empty_set
 assert repr(frozenset()) == "frozenset()"
 assert repr(frozenset([1, 2, 3])) == "frozenset({1, 2, 3})"

+
 class FS(frozenset):
    pass

+
 assert repr(FS()) == "FS()"
 assert repr(FS([1, 2, 3])) == "FS({1, 2, 3})"
--- a/extra_tests/snippets/builtin_slice.py
+++ b/extra_tests/snippets/builtin_slice.py
@@ -10,16 +10,16 @@ assert a.start == 0
 assert a.stop == 10
 assert a.step == 1

-assert slice(10).__repr__() == 'slice(None, 10, None)'
-assert slice(None).__repr__() == 'slice(None, None, None)'
-assert slice(0, 10, 13).__repr__() == 'slice(0, 10, 13)'
-assert slice('0', 1.1, 2+3j).__repr__() == "slice('0', 1.1, (2+3j))"
+assert slice(10).__repr__() == "slice(None, 10, None)"
+assert slice(None).__repr__() == "slice(None, None, None)"
+assert slice(0, 10, 13).__repr__() == "slice(0, 10, 13)"
+assert slice("0", 1.1, 2 + 3j).__repr__() == "slice('0', 1.1, (2+3j))"

 assert slice(10) == slice(10)
 assert slice(-1) != slice(1)
 assert slice(0, 10, 3) != slice(0, 11, 3)
-assert slice(0, None, 3) != slice(0, 'a', 3)
-assert slice(0, 'a', 3) == slice(0, 'a', 3)
+assert slice(0, None, 3) != slice(0, "a", 3)
+assert slice(0, "a", 3) == slice(0, "a", 3)

 assert slice(0, 0, 0).__eq__(slice(0, 0, 0))
 assert not slice(0, 0, 1).__eq__(slice(0, 0, 0))
@@ -65,29 +65,29 @@ assert slice(0, 0, 0) <= slice(0, 0, 0)
 assert not slice(0, 0, 0) > slice(0, 0, 0)
 assert not slice(0, 0, 0) < slice(0, 0, 0)

-assert not slice(0, float('nan'), float('nan')) <= slice(0, float('nan'), 1)
-assert not slice(0, float('nan'), float('nan')) <= slice(0, float('nan'), float('nan'))
-assert not slice(0, float('nan'), float('nan')) >= slice(0, float('nan'), float('nan'))
-assert not slice(0, float('nan'), float('nan')) < slice(0, float('nan'), float('nan'))
-assert not slice(0, float('nan'), float('nan')) > slice(0, float('nan'), float('nan'))
+assert not slice(0, float("nan"), float("nan")) <= slice(0, float("nan"), 1)
+assert not slice(0, float("nan"), float("nan")) <= slice(0, float("nan"), float("nan"))
+assert not slice(0, float("nan"), float("nan")) >= slice(0, float("nan"), float("nan"))
+assert not slice(0, float("nan"), float("nan")) < slice(0, float("nan"), float("nan"))
+assert not slice(0, float("nan"), float("nan")) > slice(0, float("nan"), float("nan"))

-assert slice(0, float('inf'), float('inf')) >= slice(0, float('inf'), 1)
-assert slice(0, float('inf'), float('inf')) <= slice(0, float('inf'), float('inf'))
-assert slice(0, float('inf'), float('inf')) >= slice(0, float('inf'), float('inf'))
-assert not slice(0, float('inf'), float('inf')) < slice(0, float('inf'), float('inf'))
-assert not slice(0, float('inf'), float('inf')) > slice(0, float('inf'), float('inf'))
+assert slice(0, float("inf"), float("inf")) >= slice(0, float("inf"), 1)
+assert slice(0, float("inf"), float("inf")) <= slice(0, float("inf"), float("inf"))
+assert slice(0, float("inf"), float("inf")) >= slice(0, float("inf"), float("inf"))
+assert not slice(0, float("inf"), float("inf")) < slice(0, float("inf"), float("inf"))
+assert not slice(0, float("inf"), float("inf")) > slice(0, float("inf"), float("inf"))

 assert_raises(TypeError, lambda: slice(0) < 3)
 assert_raises(TypeError, lambda: slice(0) > 3)
 assert_raises(TypeError, lambda: slice(0) <= 3)
 assert_raises(TypeError, lambda: slice(0) >= 3)

-assert slice(None           ).indices(10) == (0, 10,  1)
-assert slice(None,  None,  2).indices(10) == (0, 10,  2)
-assert slice(1,     None,  2).indices(10) == (1, 10,  2)
-assert slice(None,  None, -1).indices(10) == (9, -1, -1)
-assert slice(None,  None, -2).indices(10) == (9, -1, -2)
-assert slice(3,     None, -2).indices(10) == (3, -1, -2)
+assert slice(None).indices(10) == (0, 10, 1)
+assert slice(None, None, 2).indices(10) == (0, 10, 2)
+assert slice(1, None, 2).indices(10) == (1, 10, 2)
+assert slice(None, None, -1).indices(10) == (9, -1, -1)
+assert slice(None, None, -2).indices(10) == (9, -1, -2)
+assert slice(3, None, -2).indices(10) == (3, -1, -2)

 # issue 3004 tests
 assert slice(None, -9).indices(10) == (0, 1, 1)
@@ -103,21 +103,17 @@ assert slice(None, 8, -1).indices(10) == (9, 8, -1)
 assert slice(None, 9, -1).indices(10) == (9, 9, -1)
 assert slice(None, 10, -1).indices(10) == (9, 9, -1)

-assert \
-    slice(-100,  100).indices(10) == \
-    slice(None      ).indices(10)
+assert slice(-100, 100).indices(10) == slice(None).indices(10)

-assert \
-    slice(100,  -100,  -1).indices(10) == \
-    slice(None, None, -1).indices(10)
+assert slice(100, -100, -1).indices(10) == slice(None, None, -1).indices(10)

-assert slice(-100, 100, 2).indices(10) == (0, 10,  2)
+assert slice(-100, 100, 2).indices(10) == (0, 10, 2)

 try:
-	slice(None, None, 0)
-	assert "zero step" == "throws an exception"
+    slice(None, None, 0)
+    assert "zero step" == "throws an exception"
 except:
-	pass
+    pass

 a = []
 b = [1, 2]
@@ -167,8 +163,8 @@ class CustomIndex:
        return self.x


-assert c[CustomIndex(1):CustomIndex(3)] == [1, 2]
-assert d[CustomIndex(1):CustomIndex(3)] == "23"
+assert c[CustomIndex(1) : CustomIndex(3)] == [1, 2]
+assert d[CustomIndex(1) : CustomIndex(3)] == "23"


 def test_all_slices():
@@ -176,7 +172,7 @@ def test_all_slices():
    test all possible slices except big number
    """

-    mod = __import__('cpython_generated_slices')
+    mod = __import__("cpython_generated_slices")

    ll = mod.LL
    start = mod.START
--- a/extra_tests/snippets/builtin_str.py
+++ b/extra_tests/snippets/builtin_str.py
--- a/extra_tests/snippets/builtin_str_encode.py
+++ b/extra_tests/snippets/builtin_str_encode.py
@@ -10,11 +10,13 @@ else:

 assert_raises(UnicodeEncodeError, "¿como estás?".encode, "ascii")

+
 def round_trip(s, encoding="utf-8"):
    encoded = s.encode(encoding)
    decoded = encoded.decode(encoding)
    assert s == decoded

+
 round_trip("👺♦  𝐚Şđƒ  ☆☝")
 round_trip("☢🐣  ᖇ𝓤𝕊тⓟ𝕐𝕥卄σ𝔫  ♬👣")
 round_trip("💀👌  ק𝔂tℍⓞ𝓷 ３  🔥👤")
--- a/extra_tests/snippets/builtin_str_subclass.py
+++ b/extra_tests/snippets/builtin_str_subclass.py
@@ -3,6 +3,7 @@ from testutils import assert_raises
 x = "An interesting piece of text"
 assert x is str(x)

+
 class Stringy(str):
    def __new__(cls, value=""):
        return str.__new__(cls, value)
@@ -10,6 +11,7 @@ class Stringy(str):
    def __init__(self, value):
        self.x = "substr"

+
 y = Stringy(1)
 assert type(y) is Stringy, "Type of Stringy should be stringy"
 assert type(str(y)) is str, "Str of a str-subtype should be a str."
--- a/extra_tests/snippets/builtin_str_unicode.py
+++ b/extra_tests/snippets/builtin_str_unicode.py
@@ -1,29 +1,29 @@
-
 # Test the unicode support! 👋


-ᚴ=2
+ᚴ = 2

-assert ᚴ*8 == 16
+assert ᚴ * 8 == 16

-ᚴ="👋"
+ᚴ = "👋"

-c = ᚴ*3
+c = ᚴ * 3

-assert c == '👋👋👋'
+assert c == "👋👋👋"

 import unicodedata
-assert unicodedata.category('a') == 'Ll'
-assert unicodedata.category('A') == 'Lu'
-assert unicodedata.name('a') == 'LATIN SMALL LETTER A'
-assert unicodedata.lookup('LATIN SMALL LETTER A') == 'a'
-assert unicodedata.bidirectional('a') == 'L'
-assert unicodedata.east_asian_width('\u231a') == 'W'
-assert unicodedata.normalize('NFC', 'bla') == 'bla'
+
+assert unicodedata.category("a") == "Ll"
+assert unicodedata.category("A") == "Lu"
+assert unicodedata.name("a") == "LATIN SMALL LETTER A"
+assert unicodedata.lookup("LATIN SMALL LETTER A") == "a"
+assert unicodedata.bidirectional("a") == "L"
+assert unicodedata.east_asian_width("\u231a") == "W"
+assert unicodedata.normalize("NFC", "bla") == "bla"

 # testing unicodedata.ucd_3_2_0 for idna
-assert "abcСĤ".encode("idna") == b'xn--abc-7sa390b'
-assert "abc䄣Ĳ".encode("idna") == b'xn--abcij-zb5f'
+assert "abcСĤ".encode("idna") == b"xn--abc-7sa390b"
+assert "abc䄣Ĳ".encode("idna") == b"xn--abcij-zb5f"

 # from CPython tests
 assert "python.org".encode("idna") == b"python.org"
--- a/extra_tests/snippets/builtin_str_unicode_slice.py
+++ b/extra_tests/snippets/builtin_str_unicode_slice.py
@@ -1,13 +1,14 @@
 def test_slice_bounds(s):
    # End out of range
    assert s[0:100] == s
-    assert s[0:-100] == ''
+    assert s[0:-100] == ""
    # Start out of range
-    assert s[100:1] == ''
+    assert s[100:1] == ""
    # Out of range both sides
    # This is the behaviour in cpython
    # assert s[-100:100] == s

+
 def expect_index_error(s, index):
    try:
        s[index]
@@ -16,6 +17,7 @@ def expect_index_error(s, index):
    else:
        assert False

+
 unicode_str = "∀∂"
 assert unicode_str[0] == "∀"
 assert unicode_str[1] == "∂"
@@ -35,25 +37,25 @@ assert ascii_str[-1] == "d"
 hebrew_text = "בְּרֵאשִׁית, בָּרָא אֱלֹהִים, אֵת הַשָּׁמַיִם, וְאֵת הָאָרֶץ"
 assert len(hebrew_text) == 60
 assert len(hebrew_text[:]) == 60
-assert hebrew_text[0] == 'ב'
-assert hebrew_text[1] == 'ְ'
-assert hebrew_text[2] == 'ּ'
-assert hebrew_text[3] == 'ר'
-assert hebrew_text[4] == 'ֵ'
-assert hebrew_text[5] == 'א'
-assert hebrew_text[6] == 'ש'
-assert hebrew_text[5:10] == 'אשִׁי'
+assert hebrew_text[0] == "ב"
+assert hebrew_text[1] == "ְ"
+assert hebrew_text[2] == "ּ"
+assert hebrew_text[3] == "ר"
+assert hebrew_text[4] == "ֵ"
+assert hebrew_text[5] == "א"
+assert hebrew_text[6] == "ש"
+assert hebrew_text[5:10] == "אשִׁי"
 assert len(hebrew_text[5:10]) == 5
-assert hebrew_text[-20:50] == 'מַיִם, וְא'
+assert hebrew_text[-20:50] == "מַיִם, וְא"
 assert len(hebrew_text[-20:50]) == 10
-assert hebrew_text[:-30:1] == 'בְּרֵאשִׁית, בָּרָא אֱלֹהִים, '
+assert hebrew_text[:-30:1] == "בְּרֵאשִׁית, בָּרָא אֱלֹהִים, "
 assert len(hebrew_text[:-30:1]) == 30
-assert hebrew_text[10:-30] == 'ת, בָּרָא אֱלֹהִים, '
+assert hebrew_text[10:-30] == "ת, בָּרָא אֱלֹהִים, "
 assert len(hebrew_text[10:-30]) == 20
-assert hebrew_text[10:30:3] == 'תבר לִ,'
+assert hebrew_text[10:30:3] == "תבר לִ,"
 assert len(hebrew_text[10:30:3]) == 7
-assert hebrew_text[10:30:-3] == ''
-assert hebrew_text[30:10:-3] == 'אםהֱאּ '
+assert hebrew_text[10:30:-3] == ""
+assert hebrew_text[30:10:-3] == "אםהֱאּ "
 assert len(hebrew_text[30:10:-3]) == 7
-assert hebrew_text[30:10:-1] == 'א ,םיִהֹלֱא אָרָּב ,'
+assert hebrew_text[30:10:-1] == "א ,םיִהֹלֱא אָרָּב ,"
 assert len(hebrew_text[30:10:-1]) == 20
--- a/extra_tests/snippets/builtin_tuple.py
+++ b/extra_tests/snippets/builtin_tuple.py
@@ -1,8 +1,8 @@
 from testutils import assert_raises

-assert (1,2) == (1,2)
+assert (1, 2) == (1, 2)

-x = (1,2)
+x = (1, 2)
 assert x[0] == 1

 y = (1,)
@@ -19,7 +19,7 @@ assert y < x, "tuple __lt__ failed"
 assert x > y, "tuple __gt__ failed"


-b = (1,2,3)
+b = (1, 2, 3)
 assert b.index(2) == 1

 recursive_list = []
@@ -30,15 +30,17 @@ assert repr(recursive) == "([(...)],)"
 assert (None, "", 1).index(1) == 2
 assert 1 in (None, "", 1)

+
 class Foo(object):
    def __eq__(self, x):
        return False

+
 foo = Foo()
 assert (foo,) == (foo,)

 a = (1, 2, 3)
-a += 1,
+a += (1,)
 assert a == (1, 2, 3, 1)

 b = (55, *a)
@@ -80,14 +82,14 @@ assert (0, 0) <= (0, 0)
 assert not (0, 0) > (0, 0)
 assert not (0, 0) < (0, 0)

-assert not (float('nan'), float('nan')) <= (float('nan'), 1)
-assert not (float('nan'), float('nan')) <= (float('nan'), float('nan'))
-assert not (float('nan'), float('nan')) >= (float('nan'), float('nan'))
-assert not (float('nan'), float('nan')) < (float('nan'), float('nan'))
-assert not (float('nan'), float('nan')) > (float('nan'), float('nan'))
+assert not (float("nan"), float("nan")) <= (float("nan"), 1)
+assert not (float("nan"), float("nan")) <= (float("nan"), float("nan"))
+assert not (float("nan"), float("nan")) >= (float("nan"), float("nan"))
+assert not (float("nan"), float("nan")) < (float("nan"), float("nan"))
+assert not (float("nan"), float("nan")) > (float("nan"), float("nan"))

-assert (float('inf'), float('inf')) >= (float('inf'), 1)
-assert (float('inf'), float('inf')) <= (float('inf'), float('inf'))
-assert (float('inf'), float('inf')) >= (float('inf'), float('inf'))
-assert not (float('inf'), float('inf')) < (float('inf'), float('inf'))
-assert not (float('inf'), float('inf')) > (float('inf'), float('inf'))
+assert (float("inf"), float("inf")) >= (float("inf"), 1)
+assert (float("inf"), float("inf")) <= (float("inf"), float("inf"))
+assert (float("inf"), float("inf")) >= (float("inf"), float("inf"))
+assert not (float("inf"), float("inf")) < (float("inf"), float("inf"))
+assert not (float("inf"), float("inf")) > (float("inf"), float("inf"))
--- a/extra_tests/snippets/builtin_type.py
+++ b/extra_tests/snippets/builtin_type.py
@@ -13,9 +13,9 @@ print(1.1)
 print("abc")
 # print(u"abc")
 # Structural below
-print((1, 2)) # Tuple can be any length, but fixed after declared
-x = (1,2)
-print(x[0]) # Tuple can be any length, but fixed after declared
+print((1, 2))  # Tuple can be any length, but fixed after declared
+x = (1, 2)
+print(x[0])  # Tuple can be any length, but fixed after declared
 print([1, 2, 3])
 # print({"first":1,"second":2})

@@ -52,25 +52,25 @@ assert int() == 0
 a = complex(2, 4)
 assert type(a) is complex
 assert type(a + a) is complex
-assert repr(a) == '(2+4j)'
+assert repr(a) == "(2+4j)"
 a = 10j
-assert repr(a) == '10j'
+assert repr(a) == "10j"

 a = 1
 assert a.conjugate() == a

 a = 12345

-b = a*a*a*a*a*a*a*a
+b = a * a * a * a * a * a * a * a
 assert b.bit_length() == 109


-assert type.__module__ == 'builtins'
-assert type.__qualname__ == 'type'
-assert type.__name__ == 'type'
+assert type.__module__ == "builtins"
+assert type.__qualname__ == "type"
+assert type.__name__ == "type"
 assert isinstance(type.__doc__, str)
-assert object.__qualname__ == 'object'
-assert int.__qualname__ == 'int'
+assert object.__qualname__ == "object"
+assert int.__qualname__ == "int"


 class A(type):
@@ -78,8 +78,8 @@ class A(type):


 class B(type):
-    __module__ = 'b'
-    __qualname__ = 'BB'
+    __module__ = "b"
+    __qualname__ = "BB"


 class C:
@@ -87,23 +87,23 @@ class C:


 class D:
-    __module__ = 'd'
-    __qualname__ = 'DD'
+    __module__ = "d"
+    __qualname__ = "DD"


-assert A.__module__ == '__main__'
-assert A.__qualname__ == 'A'
-assert B.__module__ == 'b'
-assert B.__qualname__ == 'BB'
-assert C.__module__ == '__main__'
-assert C.__qualname__ == 'C'
-assert D.__module__ == 'd'
-assert D.__qualname__ == 'DD'
+assert A.__module__ == "__main__"
+assert A.__qualname__ == "A"
+assert B.__module__ == "b"
+assert B.__qualname__ == "BB"
+assert C.__module__ == "__main__"
+assert C.__qualname__ == "C"
+assert D.__module__ == "d"
+assert D.__qualname__ == "DD"

-A.__qualname__ = 'AA'
-B.__qualname__ = 'b'
-assert A.__qualname__ == 'AA'
-assert B.__qualname__ == 'b'
+A.__qualname__ = "AA"
+B.__qualname__ = "b"
+assert A.__qualname__ == "AA"
+assert B.__qualname__ == "b"
 with assert_raises(TypeError):
    del D.__qualname__
 with assert_raises(TypeError):
@@ -114,7 +114,8 @@ with assert_raises(TypeError):
 from testutils import assert_raises

 import platform
-if platform.python_implementation() == 'RustPython':
+
+if platform.python_implementation() == "RustPython":
    gc = None
 else:
    import gc
@@ -123,13 +124,13 @@ assert type(type) is type
 assert type(object) is type
 assert type(object()) is object

-new_type = type('New', (object,), {})
+new_type = type("New", (object,), {})

 assert type(new_type) is type
 assert type(new_type()) is new_type

-metaclass = type('MCl', (type,), {})
-cls = metaclass('Cls', (object,), {})
+metaclass = type("MCl", (type,), {})
+cls = metaclass("Cls", (object,), {})
 inst = cls()

 assert type(inst) is cls
@@ -154,10 +155,22 @@ assert isinstance(type, (int, object))
 assert not issubclass(type, (int, float))
 assert issubclass(type, (int, type))

-class A: pass
-class B(A): pass
-class C(A): pass
-class D(B, C): pass
+
+class A:
+    pass
+
+
+class B(A):
+    pass
+
+
+class C(A):
+    pass
+
+
+class D(B, C):
+    pass
+

 assert A.__subclasses__() == [B, C]
 assert B.__subclasses__() == [D]
@@ -174,7 +187,7 @@ del D
 if gc:
    # gc sweep is needed here for CPython...
    gc.collect()
-    # ...while RustPython doesn't have `gc` yet. 
+    # ...while RustPython doesn't have `gc` yet.

 if gc:
    # D.__new__ is a method bound to the D type, so just deleting D
@@ -185,43 +198,53 @@ if gc:

 assert type in object.__subclasses__()

-assert cls.__name__ == 'Cls'
+assert cls.__name__ == "Cls"

 # mro
 assert int.mro() == [int, object]
 assert bool.mro() == [bool, int, object]
 assert object.mro() == [object]

+
 class A:
    pass

+
 class B(A):
    pass

+
 assert A.mro() == [A, object]
 assert B.mro() == [B, A, object]

+
 class AA:
    pass

+
 class BB(AA):
    pass

+
 class C(B, BB):
    pass

+
 assert C.mro() == [C, B, A, BB, AA, object]


-assert type(Exception.args).__name__ == 'getset_descriptor'
+assert type(Exception.args).__name__ == "getset_descriptor"
 assert type(None).__bool__(None) is False

+
 class A:
    pass

+
 class B:
    pass

+
 a = A()
 a.__class__ = B
 assert isinstance(a, B)
@@ -234,30 +257,33 @@ with assert_raises(TypeError):
 # Regression to
 # https://github.com/RustPython/RustPython/issues/2310
 import builtins
-assert builtins.iter.__class__.__module__ == 'builtins'
-assert builtins.iter.__class__.__qualname__ == 'builtin_function_or_method'

-assert iter.__class__.__module__ == 'builtins'
-assert iter.__class__.__qualname__ == 'builtin_function_or_method'
-assert type(iter).__module__ == 'builtins'
-assert type(iter).__qualname__ == 'builtin_function_or_method'
+assert builtins.iter.__class__.__module__ == "builtins"
+assert builtins.iter.__class__.__qualname__ == "builtin_function_or_method"
+
+assert iter.__class__.__module__ == "builtins"
+assert iter.__class__.__qualname__ == "builtin_function_or_method"
+assert type(iter).__module__ == "builtins"
+assert type(iter).__qualname__ == "builtin_function_or_method"


 # Regression to
 # https://github.com/RustPython/RustPython/issues/2767

 # Marked as `#[pymethod]`:
-assert str.replace.__qualname__ == 'str.replace'
-assert str().replace.__qualname__ == 'str.replace'
-assert int.to_bytes.__qualname__ == 'int.to_bytes'
-assert int().to_bytes.__qualname__ == 'int.to_bytes'
+assert str.replace.__qualname__ == "str.replace"
+assert str().replace.__qualname__ == "str.replace"
+assert int.to_bytes.__qualname__ == "int.to_bytes"
+assert int().to_bytes.__qualname__ == "int.to_bytes"

 # Marked as `#[pyclassmethod]`:
-assert dict.fromkeys.__qualname__ == 'dict.fromkeys'
-assert object.__init_subclass__.__qualname__ == 'object.__init_subclass__'
+assert dict.fromkeys.__qualname__ == "dict.fromkeys"
+assert object.__init_subclass__.__qualname__ == "object.__init_subclass__"

 # Dynamic with `#[extend_class]`:
-assert bytearray.maketrans.__qualname__ == 'bytearray.maketrans', bytearray.maketrans.__qualname__
+assert bytearray.maketrans.__qualname__ == "bytearray.maketrans", (
+    bytearray.maketrans.__qualname__
+)


 # Third-party:
@@ -285,47 +311,48 @@ class MyTypeWithMethod:
        def s():
            pass

-assert MyTypeWithMethod.method.__name__ == 'method'
-assert MyTypeWithMethod().method.__name__ == 'method'
-assert MyTypeWithMethod.clsmethod.__name__ == 'clsmethod'
-assert MyTypeWithMethod().clsmethod.__name__ == 'clsmethod'
-assert MyTypeWithMethod.stmethod.__name__ == 'stmethod'
-assert MyTypeWithMethod().stmethod.__name__ == 'stmethod'

-assert MyTypeWithMethod.method.__qualname__ == 'MyTypeWithMethod.method'
-assert MyTypeWithMethod().method.__qualname__ == 'MyTypeWithMethod.method'
-assert MyTypeWithMethod.clsmethod.__qualname__ == 'MyTypeWithMethod.clsmethod'
-assert MyTypeWithMethod().clsmethod.__qualname__ == 'MyTypeWithMethod.clsmethod'
-assert MyTypeWithMethod.stmethod.__qualname__ == 'MyTypeWithMethod.stmethod'
-assert MyTypeWithMethod().stmethod.__qualname__ == 'MyTypeWithMethod.stmethod'
+assert MyTypeWithMethod.method.__name__ == "method"
+assert MyTypeWithMethod().method.__name__ == "method"
+assert MyTypeWithMethod.clsmethod.__name__ == "clsmethod"
+assert MyTypeWithMethod().clsmethod.__name__ == "clsmethod"
+assert MyTypeWithMethod.stmethod.__name__ == "stmethod"
+assert MyTypeWithMethod().stmethod.__name__ == "stmethod"

-assert MyTypeWithMethod.N.m.__name__ == 'm'
-assert MyTypeWithMethod().N.m.__name__ == 'm'
-assert MyTypeWithMethod.N.c.__name__ == 'c'
-assert MyTypeWithMethod().N.c.__name__ == 'c'
-assert MyTypeWithMethod.N.s.__name__ == 's'
-assert MyTypeWithMethod().N.s.__name__ == 's'
+assert MyTypeWithMethod.method.__qualname__ == "MyTypeWithMethod.method"
+assert MyTypeWithMethod().method.__qualname__ == "MyTypeWithMethod.method"
+assert MyTypeWithMethod.clsmethod.__qualname__ == "MyTypeWithMethod.clsmethod"
+assert MyTypeWithMethod().clsmethod.__qualname__ == "MyTypeWithMethod.clsmethod"
+assert MyTypeWithMethod.stmethod.__qualname__ == "MyTypeWithMethod.stmethod"
+assert MyTypeWithMethod().stmethod.__qualname__ == "MyTypeWithMethod.stmethod"

-assert MyTypeWithMethod.N.m.__qualname__ == 'MyTypeWithMethod.N.m'
-assert MyTypeWithMethod().N.m.__qualname__ == 'MyTypeWithMethod.N.m'
-assert MyTypeWithMethod.N.c.__qualname__ == 'MyTypeWithMethod.N.c'
-assert MyTypeWithMethod().N.c.__qualname__ == 'MyTypeWithMethod.N.c'
-assert MyTypeWithMethod.N.s.__qualname__ == 'MyTypeWithMethod.N.s'
-assert MyTypeWithMethod().N.s.__qualname__ == 'MyTypeWithMethod.N.s'
+assert MyTypeWithMethod.N.m.__name__ == "m"
+assert MyTypeWithMethod().N.m.__name__ == "m"
+assert MyTypeWithMethod.N.c.__name__ == "c"
+assert MyTypeWithMethod().N.c.__name__ == "c"
+assert MyTypeWithMethod.N.s.__name__ == "s"
+assert MyTypeWithMethod().N.s.__name__ == "s"

-assert MyTypeWithMethod.N().m.__name__ == 'm'
-assert MyTypeWithMethod().N().m.__name__ == 'm'
-assert MyTypeWithMethod.N().c.__name__ == 'c'
-assert MyTypeWithMethod().N().c.__name__ == 'c'
-assert MyTypeWithMethod.N().s.__name__ == 's'
-assert MyTypeWithMethod().N.s.__name__ == 's'
+assert MyTypeWithMethod.N.m.__qualname__ == "MyTypeWithMethod.N.m"
+assert MyTypeWithMethod().N.m.__qualname__ == "MyTypeWithMethod.N.m"
+assert MyTypeWithMethod.N.c.__qualname__ == "MyTypeWithMethod.N.c"
+assert MyTypeWithMethod().N.c.__qualname__ == "MyTypeWithMethod.N.c"
+assert MyTypeWithMethod.N.s.__qualname__ == "MyTypeWithMethod.N.s"
+assert MyTypeWithMethod().N.s.__qualname__ == "MyTypeWithMethod.N.s"

-assert MyTypeWithMethod.N().m.__qualname__ == 'MyTypeWithMethod.N.m'
-assert MyTypeWithMethod().N().m.__qualname__ == 'MyTypeWithMethod.N.m'
-assert MyTypeWithMethod.N().c.__qualname__ == 'MyTypeWithMethod.N.c'
-assert MyTypeWithMethod().N().c.__qualname__ == 'MyTypeWithMethod.N.c'
-assert MyTypeWithMethod.N().s.__qualname__ == 'MyTypeWithMethod.N.s'
-assert MyTypeWithMethod().N().s.__qualname__ == 'MyTypeWithMethod.N.s'
+assert MyTypeWithMethod.N().m.__name__ == "m"
+assert MyTypeWithMethod().N().m.__name__ == "m"
+assert MyTypeWithMethod.N().c.__name__ == "c"
+assert MyTypeWithMethod().N().c.__name__ == "c"
+assert MyTypeWithMethod.N().s.__name__ == "s"
+assert MyTypeWithMethod().N.s.__name__ == "s"
+
+assert MyTypeWithMethod.N().m.__qualname__ == "MyTypeWithMethod.N.m"
+assert MyTypeWithMethod().N().m.__qualname__ == "MyTypeWithMethod.N.m"
+assert MyTypeWithMethod.N().c.__qualname__ == "MyTypeWithMethod.N.c"
+assert MyTypeWithMethod().N().c.__qualname__ == "MyTypeWithMethod.N.c"
+assert MyTypeWithMethod.N().s.__qualname__ == "MyTypeWithMethod.N.s"
+assert MyTypeWithMethod().N().s.__qualname__ == "MyTypeWithMethod.N.s"


 # Regresesion to
@@ -339,26 +366,27 @@ assert repr(int.to_bytes) == "<method 'to_bytes' of 'int' objects>"
 # Regression to
 # https://github.com/RustPython/RustPython/issues/2788

-assert iter.__qualname__ == iter.__name__ == 'iter'
-assert max.__qualname__ == max.__name__ == 'max'
-assert min.__qualname__ ==  min.__name__ == 'min'
+assert iter.__qualname__ == iter.__name__ == "iter"
+assert max.__qualname__ == max.__name__ == "max"
+assert min.__qualname__ == min.__name__ == "min"


 def custom_func():
    pass

-assert custom_func.__qualname__ == 'custom_func'
+
+assert custom_func.__qualname__ == "custom_func"


 # Regression to
 # https://github.com/RustPython/RustPython/issues/2786

-assert object.__new__.__name__ == '__new__'
-assert object.__new__.__qualname__ == 'object.__new__'
-assert object.__subclasshook__.__name__ == '__subclasshook__'
-assert object.__subclasshook__.__qualname__ == 'object.__subclasshook__'
-assert type.__new__.__name__ == '__new__'
-assert type.__new__.__qualname__ == 'type.__new__'
+assert object.__new__.__name__ == "__new__"
+assert object.__new__.__qualname__ == "object.__new__"
+assert object.__subclasshook__.__name__ == "__subclasshook__"
+assert object.__subclasshook__.__qualname__ == "object.__subclasshook__"
+assert type.__new__.__name__ == "__new__"
+assert type.__new__.__qualname__ == "type.__new__"


 class AQ:
@@ -414,75 +442,76 @@ class BQ(AQ):
    def three_st():
        pass

-assert AQ.one.__name__ == 'one'
-assert AQ().one.__name__ == 'one'
-assert AQ.one_cls.__name__ == 'one_cls'
-assert AQ().one_cls.__name__ == 'one_cls'
-assert AQ.one_st.__name__ == 'one_st'
-assert AQ().one_st.__name__ == 'one_st'

-assert AQ.one.__qualname__ == 'AQ.one'
-assert AQ().one.__qualname__ == 'AQ.one'
-assert AQ.one_cls.__qualname__ == 'AQ.one_cls'
-assert AQ().one_cls.__qualname__ == 'AQ.one_cls'
-assert AQ.one_st.__qualname__ == 'AQ.one_st'
-assert AQ().one_st.__qualname__ == 'AQ.one_st'
+assert AQ.one.__name__ == "one"
+assert AQ().one.__name__ == "one"
+assert AQ.one_cls.__name__ == "one_cls"
+assert AQ().one_cls.__name__ == "one_cls"
+assert AQ.one_st.__name__ == "one_st"
+assert AQ().one_st.__name__ == "one_st"

-assert AQ.two.__name__ == 'two'
-assert AQ().two.__name__ == 'two'
-assert AQ.two_cls.__name__ == 'two_cls'
-assert AQ().two_cls.__name__ == 'two_cls'
-assert AQ.two_st.__name__ == 'two_st'
-assert AQ().two_st.__name__ == 'two_st'
+assert AQ.one.__qualname__ == "AQ.one"
+assert AQ().one.__qualname__ == "AQ.one"
+assert AQ.one_cls.__qualname__ == "AQ.one_cls"
+assert AQ().one_cls.__qualname__ == "AQ.one_cls"
+assert AQ.one_st.__qualname__ == "AQ.one_st"
+assert AQ().one_st.__qualname__ == "AQ.one_st"

-assert AQ.two.__qualname__ == 'AQ.two'
-assert AQ().two.__qualname__ == 'AQ.two'
-assert AQ.two_cls.__qualname__ == 'AQ.two_cls'
-assert AQ().two_cls.__qualname__ == 'AQ.two_cls'
-assert AQ.two_st.__qualname__ == 'AQ.two_st'
-assert AQ().two_st.__qualname__ == 'AQ.two_st'
+assert AQ.two.__name__ == "two"
+assert AQ().two.__name__ == "two"
+assert AQ.two_cls.__name__ == "two_cls"
+assert AQ().two_cls.__name__ == "two_cls"
+assert AQ.two_st.__name__ == "two_st"
+assert AQ().two_st.__name__ == "two_st"

-assert BQ.one.__name__ == 'one'
-assert BQ().one.__name__ == 'one'
-assert BQ.one_cls.__name__ == 'one_cls'
-assert BQ().one_cls.__name__ == 'one_cls'
-assert BQ.one_st.__name__ == 'one_st'
-assert BQ().one_st.__name__ == 'one_st'
+assert AQ.two.__qualname__ == "AQ.two"
+assert AQ().two.__qualname__ == "AQ.two"
+assert AQ.two_cls.__qualname__ == "AQ.two_cls"
+assert AQ().two_cls.__qualname__ == "AQ.two_cls"
+assert AQ.two_st.__qualname__ == "AQ.two_st"
+assert AQ().two_st.__qualname__ == "AQ.two_st"

-assert BQ.one.__qualname__ == 'BQ.one'
-assert BQ().one.__qualname__ == 'BQ.one'
-assert BQ.one_cls.__qualname__ == 'BQ.one_cls'
-assert BQ().one_cls.__qualname__ == 'BQ.one_cls'
-assert BQ.one_st.__qualname__ == 'BQ.one_st'
-assert BQ().one_st.__qualname__ == 'BQ.one_st'
+assert BQ.one.__name__ == "one"
+assert BQ().one.__name__ == "one"
+assert BQ.one_cls.__name__ == "one_cls"
+assert BQ().one_cls.__name__ == "one_cls"
+assert BQ.one_st.__name__ == "one_st"
+assert BQ().one_st.__name__ == "one_st"

-assert BQ.two.__name__ == 'two'
-assert BQ().two.__name__ == 'two'
-assert BQ.two_cls.__name__ == 'two_cls'
-assert BQ().two_cls.__name__ == 'two_cls'
-assert BQ.two_st.__name__ == 'two_st'
-assert BQ().two_st.__name__ == 'two_st'
+assert BQ.one.__qualname__ == "BQ.one"
+assert BQ().one.__qualname__ == "BQ.one"
+assert BQ.one_cls.__qualname__ == "BQ.one_cls"
+assert BQ().one_cls.__qualname__ == "BQ.one_cls"
+assert BQ.one_st.__qualname__ == "BQ.one_st"
+assert BQ().one_st.__qualname__ == "BQ.one_st"

-assert BQ.two.__qualname__ == 'AQ.two'
-assert BQ().two.__qualname__ == 'AQ.two'
-assert BQ.two_cls.__qualname__ == 'AQ.two_cls'
-assert BQ().two_cls.__qualname__ == 'AQ.two_cls'
-assert BQ.two_st.__qualname__ == 'AQ.two_st'
-assert BQ().two_st.__qualname__ == 'AQ.two_st'
+assert BQ.two.__name__ == "two"
+assert BQ().two.__name__ == "two"
+assert BQ.two_cls.__name__ == "two_cls"
+assert BQ().two_cls.__name__ == "two_cls"
+assert BQ.two_st.__name__ == "two_st"
+assert BQ().two_st.__name__ == "two_st"

-assert BQ.three.__name__ == 'three'
-assert BQ().three.__name__ == 'three'
-assert BQ.three_cls.__name__ == 'three_cls'
-assert BQ().three_cls.__name__ == 'three_cls'
-assert BQ.three_st.__name__ == 'three_st'
-assert BQ().three_st.__name__ == 'three_st'
+assert BQ.two.__qualname__ == "AQ.two"
+assert BQ().two.__qualname__ == "AQ.two"
+assert BQ.two_cls.__qualname__ == "AQ.two_cls"
+assert BQ().two_cls.__qualname__ == "AQ.two_cls"
+assert BQ.two_st.__qualname__ == "AQ.two_st"
+assert BQ().two_st.__qualname__ == "AQ.two_st"

-assert BQ.three.__qualname__ == 'BQ.three'
-assert BQ().three.__qualname__ == 'BQ.three'
-assert BQ.three_cls.__qualname__ == 'BQ.three_cls'
-assert BQ().three_cls.__qualname__ == 'BQ.three_cls'
-assert BQ.three_st.__qualname__ == 'BQ.three_st'
-assert BQ().three_st.__qualname__ == 'BQ.three_st'
+assert BQ.three.__name__ == "three"
+assert BQ().three.__name__ == "three"
+assert BQ.three_cls.__name__ == "three_cls"
+assert BQ().three_cls.__name__ == "three_cls"
+assert BQ.three_st.__name__ == "three_st"
+assert BQ().three_st.__name__ == "three_st"
+
+assert BQ.three.__qualname__ == "BQ.three"
+assert BQ().three.__qualname__ == "BQ.three"
+assert BQ.three_cls.__qualname__ == "BQ.three_cls"
+assert BQ().three_cls.__qualname__ == "BQ.three_cls"
+assert BQ.three_st.__qualname__ == "BQ.three_st"
+assert BQ().three_st.__qualname__ == "BQ.three_st"


 class ClassWithNew:
@@ -494,73 +523,74 @@ class ClassWithNew:
            return super().__new__(cls, *args, **kwargs)


-assert ClassWithNew.__new__.__qualname__ == 'ClassWithNew.__new__'
-assert ClassWithNew().__new__.__qualname__ == 'ClassWithNew.__new__'
-assert ClassWithNew.__new__.__name__ == '__new__'
-assert ClassWithNew().__new__.__name__ == '__new__'
+assert ClassWithNew.__new__.__qualname__ == "ClassWithNew.__new__"
+assert ClassWithNew().__new__.__qualname__ == "ClassWithNew.__new__"
+assert ClassWithNew.__new__.__name__ == "__new__"
+assert ClassWithNew().__new__.__name__ == "__new__"

-assert ClassWithNew.N.__new__.__qualname__ == 'ClassWithNew.N.__new__'
-assert ClassWithNew().N.__new__.__qualname__ == 'ClassWithNew.N.__new__'
-assert ClassWithNew.N.__new__.__name__ == '__new__'
-assert ClassWithNew().N.__new__.__name__ == '__new__'
-assert ClassWithNew.N().__new__.__qualname__ == 'ClassWithNew.N.__new__'
-assert ClassWithNew().N().__new__.__qualname__ == 'ClassWithNew.N.__new__'
-assert ClassWithNew.N().__new__.__name__ == '__new__'
-assert ClassWithNew().N().__new__.__name__ == '__new__'
+assert ClassWithNew.N.__new__.__qualname__ == "ClassWithNew.N.__new__"
+assert ClassWithNew().N.__new__.__qualname__ == "ClassWithNew.N.__new__"
+assert ClassWithNew.N.__new__.__name__ == "__new__"
+assert ClassWithNew().N.__new__.__name__ == "__new__"
+assert ClassWithNew.N().__new__.__qualname__ == "ClassWithNew.N.__new__"
+assert ClassWithNew().N().__new__.__qualname__ == "ClassWithNew.N.__new__"
+assert ClassWithNew.N().__new__.__name__ == "__new__"
+assert ClassWithNew().N().__new__.__name__ == "__new__"


 # Regression to:
 # https://github.com/RustPython/RustPython/issues/2762

 assert type.__prepare__() == {}
-assert type.__prepare__('name') == {}
-assert type.__prepare__('name', object) == {}
-assert type.__prepare__('name', (bytes, str)) == {}
+assert type.__prepare__("name") == {}
+assert type.__prepare__("name", object) == {}
+assert type.__prepare__("name", (bytes, str)) == {}
 assert type.__prepare__(a=1, b=2) == {}
-assert type.__prepare__('name', (object, int), kw=True) == {}
+assert type.__prepare__("name", (object, int), kw=True) == {}

 # Previously we needed `name` to be `str`:
 assert type.__prepare__(1) == {}

 assert int.__prepare__() == {}
-assert int.__prepare__('name', (object, int), kw=True) == {}
+assert int.__prepare__("name", (object, int), kw=True) == {}


 # Regression to
 # https://github.com/RustPython/RustPython/issues/2790

 # `#[pyproperty]`
-assert BaseException.args.__qualname__ == 'BaseException.args'
+assert BaseException.args.__qualname__ == "BaseException.args"
 # class extension without `#[pyproperty]` override
-assert Exception.args.__qualname__ == 'BaseException.args'
+assert Exception.args.__qualname__ == "BaseException.args"
 # dynamic with `.new_readonly_getset`
-assert SyntaxError.msg.__qualname__ == 'SyntaxError.msg'
+assert SyntaxError.msg.__qualname__ == "SyntaxError.msg"


 # Regression to
 # https://github.com/RustPython/RustPython/issues/2794

-assert type.__subclasshook__.__qualname__ == 'type.__subclasshook__'
-assert object.__subclasshook__.__qualname__ == 'object.__subclasshook__'
+assert type.__subclasshook__.__qualname__ == "type.__subclasshook__"
+assert object.__subclasshook__.__qualname__ == "object.__subclasshook__"


 # Regression to
 # https://github.com/RustPython/RustPython/issues/2776

-assert repr(BQ.one).startswith('<function BQ.one at 0x')
-assert repr(BQ.one_st).startswith('<function BQ.one_st at 0x')
+assert repr(BQ.one).startswith("<function BQ.one at 0x")
+assert repr(BQ.one_st).startswith("<function BQ.one_st at 0x")

-assert repr(BQ.two).startswith('<function AQ.two at 0x')
-assert repr(BQ.two_st).startswith('<function AQ.two_st at 0x')
+assert repr(BQ.two).startswith("<function AQ.two at 0x")
+assert repr(BQ.two_st).startswith("<function AQ.two_st at 0x")

-assert repr(BQ.three).startswith('<function BQ.three at 0x')
-assert repr(BQ.three_st).startswith('<function BQ.three_st at 0x')
+assert repr(BQ.three).startswith("<function BQ.three at 0x")
+assert repr(BQ.three_st).startswith("<function BQ.three_st at 0x")


 def my_repr_func():
    pass

-assert repr(my_repr_func).startswith('<function my_repr_func at 0x')
+
+assert repr(my_repr_func).startswith("<function my_repr_func at 0x")


 # https://github.com/RustPython/RustPython/issues/3100
--- a/extra_tests/snippets/builtin_type_mro.py
+++ b/extra_tests/snippets/builtin_type_mro.py
@@ -1,22 +1,29 @@
-class X():
+class X:
    pass

-class Y():
+
+class Y:
    pass

+
 class A(X, Y):
    pass

+
 assert (A, X, Y, object) == A.__mro__

+
 class B(X, Y):
    pass

+
 assert (B, X, Y, object) == B.__mro__

+
 class C(A, B):
    pass

+
 assert (C, A, B, X, Y, object) == C.__mro__

 assert type.__mro__ == (type, object)
--- a/extra_tests/snippets/builtin_zip.py
+++ b/extra_tests/snippets/builtin_zip.py
@@ -1,9 +1,13 @@
-assert list(zip(['a', 'b', 'c'], range(3), [9, 8, 7, 99])) == [('a', 0, 9), ('b', 1, 8), ('c', 2, 7)]
+assert list(zip(["a", "b", "c"], range(3), [9, 8, 7, 99])) == [
+    ("a", 0, 9),
+    ("b", 1, 8),
+    ("c", 2, 7),
+]

-assert list(zip(['a', 'b', 'c'])) == [('a',), ('b',), ('c',)]
+assert list(zip(["a", "b", "c"])) == [("a",), ("b",), ("c",)]
 assert list(zip()) == []

-assert list(zip(*zip(['a', 'b', 'c'], range(1, 4)))) == [('a', 'b', 'c'), (1, 2, 3)]
+assert list(zip(*zip(["a", "b", "c"], range(1, 4)))) == [("a", "b", "c"), (1, 2, 3)]


 # test infinite iterator
--- a/extra_tests/snippets/builtins_module.py
+++ b/extra_tests/snippets/builtins_module.py
@@ -1,25 +1,26 @@
 from testutils import assert_raises

-assert '__builtins__' in globals()
+assert "__builtins__" in globals()
 # assert type(__builtins__).__name__ == 'module'
 with assert_raises(AttributeError):
    __builtins__.__builtins__

 assert __builtins__.__name__ == "builtins"
 import builtins
+
 assert builtins.__name__ == "builtins"

-__builtins__.x = 'new'
-assert x == 'new'  # noqa: F821
+__builtins__.x = "new"
+assert x == "new"  # noqa: F821

 exec('assert "__builtins__" in globals()', dict())
-exec('assert __builtins__ == 7', {'__builtins__': 7})
-exec('assert not isinstance(__builtins__, dict)')
-exec('assert isinstance(__builtins__, dict)', {})
+exec("assert __builtins__ == 7", {"__builtins__": 7})
+exec("assert not isinstance(__builtins__, dict)")
+exec("assert isinstance(__builtins__, dict)", {})

 namespace = {}
-exec('', namespace)
-assert namespace['__builtins__'] == __builtins__.__dict__
+exec("", namespace)
+assert namespace["__builtins__"] == __builtins__.__dict__

 # with assert_raises(NameError):
 #     exec('print(__builtins__)', {'__builtins__': {}})
--- a/extra_tests/snippets/code_co_consts.py
+++ b/extra_tests/snippets/code_co_consts.py
@@ -1,5 +1,6 @@
 from asyncio import sleep

+
 def f():
    def g():
        return 1
@@ -7,25 +8,32 @@ def f():
    assert g.__code__.co_consts[0] == None
    return 2

+
 assert f.__code__.co_consts[0] == None

+
 def generator():
-  yield 1
-  yield 2
+    yield 1
+    yield 2
+

 assert generator().gi_code.co_consts[0] == None

+
 async def async_f():
-  await sleep(1)
-  return 1
+    await sleep(1)
+    return 1
+

 assert async_f.__code__.co_consts[0] == None

 lambda_f = lambda: 0
 assert lambda_f.__code__.co_consts[0] == None

+
 class cls:
    def f():
        return 1

+
 assert cls().f.__code__.co_consts[0] == None
--- a/extra_tests/snippets/dir_main/main.py
+++ b/extra_tests/snippets/dir_main/main.py
@@ -1 +1 @@
-print('Hello')
+print("Hello")
--- a/extra_tests/snippets/example_fizzbuzz.py
+++ b/extra_tests/snippets/example_fizzbuzz.py
@@ -8,6 +8,7 @@ def fizzbuzz(n):
    else:
        return str(n)

+
 n = 1
 while n < 10:
    print(fizzbuzz(n))
--- a/extra_tests/snippets/example_interactive.py
+++ b/extra_tests/snippets/example_interactive.py
@@ -1,12 +1,14 @@
-c1 = compile("1 + 1", "", 'eval')
+c1 = compile("1 + 1", "", "eval")

 code_class = type(c1)

+
 def f(x, y, *args, power=1, **kwargs):
    print("Constant String", 2, None, (2, 4))
    assert code_class == type(c1)
    z = x * y
-    return z ** power
+    return z**power
+

 c2 = f.__code__
 # print(c2)
@@ -19,12 +21,12 @@ assert "Constant String" in c2.co_consts, c2.co_consts
 print(c2.co_consts)
 assert 2 in c2.co_consts, c2.co_consts
 assert "example_interactive.py" in c2.co_filename
-assert c2.co_firstlineno == 5, str(c2.co_firstlineno)
+assert c2.co_firstlineno == 6, str(c2.co_firstlineno)
 # assert isinstance(c2.co_flags, int) # 'OPTIMIZED, NEWLOCALS, NOFREE'
 # assert c2.co_freevars == (), str(c2.co_freevars)
-assert c2.co_kwonlyargcount == 1, (c2.co_kwonlyargcount)
+assert c2.co_kwonlyargcount == 1, c2.co_kwonlyargcount
 # assert c2.co_lnotab == 0, c2.co_lnotab  # b'\x00\x01' # Line number table
-assert c2.co_name == 'f', c2.co_name
+assert c2.co_name == "f", c2.co_name
 # assert c2.co_names == ('code_class', 'type', 'c1', 'AssertionError'), c2.co_names # , c2.co_names
 # assert c2.co_nlocals == 4, c2.co_nlocals #
 # assert c2.co_stacksize == 2, 'co_stacksize',
--- a/extra_tests/snippets/forbidden_instantiation.py
+++ b/extra_tests/snippets/forbidden_instantiation.py
@@ -1,19 +1,41 @@
 from typing import Type
 from types import (
-    GeneratorType, CoroutineType, AsyncGeneratorType, BuiltinFunctionType,
-    BuiltinMethodType, WrapperDescriptorType, MethodWrapperType, MethodDescriptorType,
-    ClassMethodDescriptorType, FrameType, GetSetDescriptorType, MemberDescriptorType
+    GeneratorType,
+    CoroutineType,
+    AsyncGeneratorType,
+    BuiltinFunctionType,
+    BuiltinMethodType,
+    WrapperDescriptorType,
+    MethodWrapperType,
+    MethodDescriptorType,
+    ClassMethodDescriptorType,
+    FrameType,
+    GetSetDescriptorType,
+    MemberDescriptorType,
 )
 from testutils import assert_raises

+
 def check_forbidden_instantiation(typ, reverse=False):
    f = reversed if reverse else iter
    with assert_raises(TypeError):
        type(f(typ()))()

+
 dict_values, dict_items = lambda: {}.values(), lambda: {}.items()
 # types with custom forward iterators
-iter_types = [list, set, str, bytearray, bytes, dict, tuple, lambda: range(0), dict_items, dict_values]
+iter_types = [
+    list,
+    set,
+    str,
+    bytearray,
+    bytes,
+    dict,
+    tuple,
+    lambda: range(0),
+    dict_items,
+    dict_values,
+]
 # types with custom backwards iterators
 reviter_types = [list, dict, lambda: range(0), dict_values, dict_items]
 # internal types:
@@ -22,14 +44,14 @@ internal_types = [
    CoroutineType,
    AsyncGeneratorType,
    BuiltinFunctionType,
-    BuiltinMethodType, # same as MethodWrapperType 
+    BuiltinMethodType,  # same as MethodWrapperType
    WrapperDescriptorType,
    MethodWrapperType,
    MethodDescriptorType,
    ClassMethodDescriptorType,
    FrameType,
-    GetSetDescriptorType, # same as MemberDescriptorType 
-    MemberDescriptorType
+    GetSetDescriptorType,  # same as MemberDescriptorType
+    MemberDescriptorType,
 ]

 for typ in iter_types:
@@ -38,4 +60,4 @@ for typ in reviter_types:
    check_forbidden_instantiation(typ, reverse=True)
 for typ in internal_types:
    with assert_raises(TypeError):
-        typ()
+        typ()
--- a/extra_tests/snippets/frozen.py
+++ b/extra_tests/snippets/frozen.py
@@ -1,2 +1,3 @@
 import __hello__
+
 assert __hello__.initialized == True
--- a/extra_tests/snippets/import.py
+++ b/extra_tests/snippets/import.py
@@ -4,6 +4,7 @@ from import_target import func as aliased_func, other_func as aliased_other_func
 from import_star import *

 import import_mutual1
+
 assert import_target.X == import_target.func()
 assert import_target.X == func()

@@ -17,56 +18,60 @@ assert import_target.Y == aliased.Y
 assert import_target.X == aliased_func()
 assert import_target.Y == aliased_other_func()

-assert STAR_IMPORT == '123'
+assert STAR_IMPORT == "123"

 try:
    from import_target import func, unknown_name
-    raise AssertionError('`unknown_name` does not cause an exception')
+
+    raise AssertionError("`unknown_name` does not cause an exception")
 except ImportError:
    pass

 try:
    import mymodule
 except ModuleNotFoundError as exc:
-    assert exc.name == 'mymodule'
+    assert exc.name == "mymodule"


 test = __import__("import_target")
 assert test.X == import_target.X

 import builtins
-class OverrideImportContext():

-	def __enter__(self):
-		self.original_import = builtins.__import__

-	def __exit__(self, exc_type, exc_val, exc_tb):
-		builtins.__import__ = self.original_import
+class OverrideImportContext:
+    def __enter__(self):
+        self.original_import = builtins.__import__
+
+    def __exit__(self, exc_type, exc_val, exc_tb):
+        builtins.__import__ = self.original_import
+

 with OverrideImportContext():
-	def fake_import(name, globals=None, locals=None, fromlist=(), level=0):
-		return len(name)

-	builtins.__import__ = fake_import
-	import test
-	assert test == 4
+    def fake_import(name, globals=None, locals=None, fromlist=(), level=0):
+        return len(name)
+
+    builtins.__import__ = fake_import
+    import test
+
+    assert test == 4


 # TODO: Once we can determine current directory, use that to construct this
 # path:
-#import sys
-#sys.path.append("snippets/import_directory")
-#import nested_target
+# import sys
+# sys.path.append("snippets/import_directory")
+# import nested_target

-#try:
+# try:
 #    X
-#except NameError:
+# except NameError:
 #    pass
-#else:
+# else:
 #    raise AssertionError('X should not be imported')

 from testutils import assert_raises

 with assert_raises(SyntaxError):
-	exec('import')
-
+    exec("import")
--- a/extra_tests/snippets/import_file.py
+++ b/extra_tests/snippets/import_file.py
@@ -1,4 +1,5 @@
 import os

+
 def import_file():
-	assert os.path.basename(__file__) == "import_file.py"
+    assert os.path.basename(__file__) == "import_file.py"
--- a/extra_tests/snippets/import_mutual1.py
+++ b/extra_tests/snippets/import_mutual1.py
@@ -1,4 +1,2 @@
-
 # Mutual recursive import:
 import import_mutual2
-
--- a/extra_tests/snippets/import_mutual2.py
+++ b/extra_tests/snippets/import_mutual2.py
@@ -1,3 +1,2 @@
-
 # Mutual recursive import:
 import import_mutual1
--- a/extra_tests/snippets/import_star.py
+++ b/extra_tests/snippets/import_star.py
@@ -1,3 +1,3 @@
 # This is used by import.py; the two should be modified in concert

-STAR_IMPORT = '123'
+STAR_IMPORT = "123"
--- a/extra_tests/snippets/import_target.py
+++ b/extra_tests/snippets/import_target.py
@@ -1,10 +1,12 @@
 # This is used by import.py; the two should be modified in concert

-X = '123'
-Y = 'abc'
+X = "123"
+Y = "abc"
+

 def func():
    return X

+
 def other_func():
    return Y
--- a/extra_tests/snippets/intro/3.1.1.1.py
+++ b/extra_tests/snippets/intro/3.1.1.1.py
@@ -1,8 +1,8 @@
 assert 2 + 2 == 4

-assert 50 - 5*6 == 20
+assert 50 - 5 * 6 == 20

-assert (50 - 5*6) / 4 == 5 # This will crash
-assert (50 - 5*6) / 4 == 5.0
+assert (50 - 5 * 6) / 4 == 5  # This will crash
+assert (50 - 5 * 6) / 4 == 5.0

-assert 8 / 5 == 1.6 # division always returns a floating point number
+assert 8 / 5 == 1.6  # division always returns a floating point number
--- a/extra_tests/snippets/intro/3.1.1.3.py
+++ b/extra_tests/snippets/intro/3.1.1.3.py
@@ -1,3 +1,3 @@
-assert 25 == 5 ** 2  # 5 squared
+assert 25 == 5**2  # 5 squared

-assert 128 == 2 ** 7  # 2 to the power of 7
+assert 128 == 2**7  # 2 to the power of 7
--- a/extra_tests/snippets/intro/3.1.2.1.py
+++ b/extra_tests/snippets/intro/3.1.2.1.py
@@ -1,7 +1,6 @@
-assert 'spam eggs' == 'spam eggs'  # single quotes
-assert "doesn't" == 'doesn\'t'  # use \' to escape the single quote...
+assert "spam eggs" == "spam eggs"  # single quotes
+assert "doesn't" == "doesn't"  # use \' to escape the single quote...
 assert "doesn't" == "doesn't"  # ...or use double quotes instead
 assert '"Yes," he said.' == '"Yes," he said.'
-assert '"Yes," he said.' == "\"Yes,\" he said."
+assert '"Yes," he said.' == '"Yes," he said.'
 assert '"Isn\'t," she said.' == '"Isn\'t," she said.'
-
--- a/extra_tests/snippets/intro/3.1.2.10.py
+++ b/extra_tests/snippets/intro/3.1.2.10.py
@@ -1,6 +1,6 @@
-word = 'Python'
-assert 'P' == word[0]  # character in position 0
-assert 'n' == word[5]  # character in position 5
-assert 'n' == word[-1]  # last character
-assert 'o' == word[-2]  # second-last character
-assert 'P' == word[-6]
+word = "Python"
+assert "P" == word[0]  # character in position 0
+assert "n" == word[5]  # character in position 5
+assert "n" == word[-1]  # last character
+assert "o" == word[-2]  # second-last character
+assert "P" == word[-6]
--- a/Show More
+++ b/Show More
Author	SHA1	Message	Date
dependabot[bot]	4e094eaa55	Bump webpack-dev-server from 5.2.0 to 5.2.1 in /wasm/demo (#5801 ) Bumps [webpack-dev-server](https://github.com/webpack/webpack-dev-server) from 5.2.0 to 5.2.1. - [Release notes](https://github.com/webpack/webpack-dev-server/releases) - [Changelog](https://github.com/webpack/webpack-dev-server/blob/master/CHANGELOG.md) - [Commits](https://github.com/webpack/webpack-dev-server/compare/v5.2.0...v5.2.1) --- updated-dependencies: - dependency-name: webpack-dev-server dependency-version: 5.2.1 dependency-type: direct:development ... Signed-off-by: dependabot[bot] <support@github.com> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>	2025-06-06 23:17:32 +09:00
Jeong, YunWon	2e368baf2a	Fix Nightly clippy (#5798 )	2025-06-06 22:00:07 +09:00
Aneesh Durg	323ea3b96b	Support incomplete parsing (#5764 ) * continue accepting REPL input for multiline strings * Match cpython behavior for all multi-line statements (execute when complete) * Emit _IncompleteInputError when compiling with incomplete flag * Refine when _IncompleteInputError is emitted * Support multiline strings emitting _IncompleteInputError * lint * Undo accidental change to PyTabError * match -> if let * Fix test_baseexception and test_codeop * fix spelling * fix exception name * Skip pickle test of _IncompleteInputError * Use py3.15's codeop implementation * Update Lib/test/test_baseexception.py --------- Co-authored-by: Jeong, YunWon <69878+youknowone@users.noreply.github.com>	2025-06-05 14:41:56 +09:00
Noa	e27d03179f	Remove getrandom 0.2 from dependencies	2025-05-21 12:12:14 +09:00
Jeong YunWon	81a9002ef2	Rename Dockerfile	2025-05-20 11:10:13 +09:00
Noa	18521290bf	Update dependencies	2025-05-19 14:41:24 +09:00
Noa	5e682e3f17	Merge pull request #5788 from coolreader18/fix-prec Fix panic with high precision	2025-05-16 20:28:25 -05:00
Noa	163296d306	Fix test_memoryio	2025-05-16 15:20:10 -05:00
Noa	1ae98ee177	Fix panic with high precision	2025-05-16 14:17:25 -05:00
Noa	2c02e2776b	Fix warnings for rust 1.87	2025-05-16 18:52:14 +09:00
Ashwin Naren	72dc4954ad	dev container update	2025-05-16 18:25:08 +09:00
Rex Ledesma	b696e56c5f	chore: rely on the default inclusions for `ruff`	2025-05-15 19:15:51 +09:00
dependabot[bot]	d11d5c65e6	Bump streetsidesoftware/cspell-action in the github-actions group Bumps the github-actions group with 1 update: [streetsidesoftware/cspell-action](https://github.com/streetsidesoftware/cspell-action). Updates `streetsidesoftware/cspell-action` from 6 to 7 - [Release notes](https://github.com/streetsidesoftware/cspell-action/releases) - [Changelog](https://github.com/streetsidesoftware/cspell-action/blob/main/CHANGELOG.md) - [Commits](https://github.com/streetsidesoftware/cspell-action/compare/v6...v7) --- updated-dependencies: - dependency-name: streetsidesoftware/cspell-action dependency-version: '7' dependency-type: direct:production update-type: version-update:semver-major dependency-group: github-actions ... Signed-off-by: dependabot[bot] <support@github.com>	2025-05-13 04:08:12 +09:00
Ashwin Naren	5c0f70c361	add instructions	2025-05-12 14:24:10 +09:00
Rex Ledesma	4e2e0b41c6	chore: add `ruff format --check` (#5774 ) * chore: add `ruff format --check` * fix tests	2025-05-12 14:20:01 +09:00
Ashwin Naren	df380bca96	lzma FORMAT_ALONE implementation (#5777 ) * implement init_alone * error if format is raw and there is a memlimit	2025-05-09 13:26:28 +09:00
Ashwin Naren	9bd7f1810b	Update README.md Co-authored-by: Jeong, YunWon <69878+youknowone@users.noreply.github.com>	2025-05-08 14:59:46 +09:00
Ashwin Naren	31e6cca916	Update README.md	2025-05-08 14:59:46 +09:00
Rex Ledesma	b8095b84ff	chore: allow `uv run python -I ./whats_left.py`	2025-05-08 14:51:52 +09:00
Rex Ledesma	908386091b	feat: implement `zlib.__version__`	2025-05-08 14:48:11 +09:00
Rex Ledesma	aee4c7ac69	chore: migrate settings to ruff.toml (#5773 )	2025-05-08 14:46:57 +09:00
Rex Ledesma	dc75d203ff	chore: upgrade to `ruff==0.11.8`	2025-05-08 14:11:43 +09:00
Jeong, YunWon	ce5524d72a	Merge pull request #5769 from youknowone/radium-patch	2025-05-08 13:42:38 +09:00
Jeong YunWon	06c4b151d6	Add radium patch to fix CI	2025-05-07 18:21:36 +09:00
Jeong, YunWon	79646fd222	Merge pull request #5717 from arihant2math/lzma lzma implementation	2025-05-07 18:00:06 +09:00
Jeong YunWon	d9c18c5593	flatten compression modules	2025-05-07 15:42:31 +09:00
Jeong YunWon	acae154f1b	more diff-friendly disabling xz	2025-05-07 15:01:23 +09:00
Ashwin Naren	a5016446f4	_lzma implementation and test marking Signed-off-by: Ashwin Naren <arihant2math@gmail.com>	2025-05-07 15:01:23 +09:00
Ashwin Naren	2042d877f9	add lzma.py and test_lzma.py at 3.13.2 Signed-off-by: Ashwin Naren <arihant2math@gmail.com>	2025-05-07 15:01:23 +09:00
Ashwin Naren	2a1ea45659	add _lzma module with new dependency Signed-off-by: Ashwin Naren <arihant2math@gmail.com>	2025-05-07 15:01:23 +09:00
Jeong YunWon	48b08a2b7f	Revert "Split out common compression routines into separate file (#5728 )" This reverts commit `9c88475b31`.	2025-05-07 15:01:09 +09:00
Noa	9c88475b31	Split out common compression routines into separate file (#5728 )	2025-05-06 15:26:54 +09:00
Undersk0re	6aa80aa596	Update .gitignore, folder fix (#5762 )	2025-05-06 14:07:12 +09:00