set __name__ on import

vm/src/import.rs

@@ -45,7 +45,7 @@ fn import_uncached_module(vm: &mut VirtualMachine, module: &str) -> PyResult {
 
     let builtins = vm.get_builtin_scope();
     let scope = vm.ctx.new_scope(Some(builtins));
-
+    scope.set_item(&"__name__".to_string(), vm.new_str(module.to_string()));
     match vm.run_code_obj(code_obj, scope.clone()) {
         Ok(_) => {}
         Err(value) => return Err(value),
@@ -83,7 +83,8 @@ fn find_source(vm: &VirtualMachine, name: &str) -> io::Result<PathBuf> {
             .filter_map(|item| match item.borrow().kind {
                 PyObjectKind::String { ref value } => Some(PathBuf::from(value)),
                 _ => None,
-            }).collect(),
+            })
+            .collect(),
         _ => panic!("sys.path unexpectedly not a list"),
     };