From 1c5b9c9e0382a4bd3e2b40b7745798f8f5370241 Mon Sep 17 00:00:00 2001
From: Lee Dogeon <dev.moreal@gmail.com>
Date: Fri, 15 Jul 2022 07:41:15 +0900
Subject: [PATCH 1/2] Correct union hash

https://github.com/RustPython/RustPython/issues/3851
---
 vm/src/builtins/union.rs | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/vm/src/builtins/union.rs b/vm/src/builtins/union.rs
index d43fbc10b..a47d058c1 100644
--- a/vm/src/builtins/union.rs
+++ b/vm/src/builtins/union.rs
@@ -6,7 +6,7 @@ use crate::{
     convert::ToPyObject,
     function::PyComparisonValue,
     protocol::PyMappingMethods,
-    types::{AsMapping, Comparable, GetAttr, Hashable, Iterable, PyComparisonOp},
+    types::{AsMapping, Comparable, GetAttr, Hashable, PyComparisonOp},
     AsObject, Context, Py, PyObject, PyObjectRef, PyPayload, PyRef, PyResult, TryFromObject,
     VirtualMachine,
 };
@@ -264,8 +264,7 @@ impl Comparable for PyUnion {
 impl Hashable for PyUnion {
     #[inline]
     fn hash(zelf: &crate::Py<Self>, vm: &VirtualMachine) -> PyResult<hash::PyHash> {
-        let it = PyTuple::iter(zelf.args.clone(), vm);
-        let set = PyFrozenSet::from_iter(vm, it)?;
+        let set = PyFrozenSet::from_iter(vm, zelf.args.into_iter().cloned())?;
         PyFrozenSet::hash(&set.into_ref(vm), vm)
     }
 }

From 5658a6b069fdcead63e189c3f59f20910de2a1a6 Mon Sep 17 00:00:00 2001
From: moreal <dev.moreal@gmail.com>
Date: Tue, 2 Aug 2022 12:16:18 +0900
Subject: [PATCH 2/2] Unmark fixed tests

---
 Lib/test/test_types.py | 2 --
 1 file changed, 2 deletions(-)

diff --git a/Lib/test/test_types.py b/Lib/test/test_types.py
index 9ba6a077e..053318b5d 100644
--- a/Lib/test/test_types.py
+++ b/Lib/test/test_types.py
@@ -703,8 +703,6 @@ class UnionTests(unittest.TestCase):
         y.__args__ = [str, int]
         self.assertEqual(x, y)
 
-    # TODO: RUSTPYTHON
-    @unittest.expectedFailure
     def test_hash(self):
         self.assertEqual(hash(int | str), hash(str | int))
         self.assertEqual(hash(int | str), hash(typing.Union[int, str]))