Revert "Handle strange exceptions raised on attempting to access __set_name__"

AlexWaygood · AlexWaygood · commit fdab495746a9 · 2023-11-27T13:12:16.000Z
This reverts commit 1909fd5.
diff --git a/Lib/test/test_typing.py b/Lib/test/test_typing.py
@@ -7577,22 +7577,6 @@ class NamedTupleClass(NamedTuple):
             normal_exception.__notes__[0].replace("NormalClass", "NamedTupleClass")
         )
 
-    def test_exception_raised_if_accessing_set_name_causes_strange_error(self):
-        class Meta(type):
-            def __getattribute__(self, attr):
-                if attr == "__set_name__":
-                    raise TypeError("NO")
-
-        class VeryAnnoying(metaclass=Meta): pass
-
-        # Sanity check to make sure the test is setup correctly:
-        with self.assertRaises(TypeError):
-            VeryAnnoying.__set_name__
-
-        # The real test here is just that this class creation succeeds:
-        class Foo(NamedTuple):
-            attr = VeryAnnoying()
-
 
 class TypedDictTests(BaseTestCase):
     def test_basics_functional_syntax(self):
diff --git a/Lib/typing.py b/Lib/typing.py
@@ -2734,7 +2734,7 @@ def __new__(cls, typename, bases, ns):
                     setattr(nm_tpl, key, val)
                 try:
                     set_name = type(val).__set_name__
-                except Exception:
+                except AttributeError:
                     pass
                 else:
                     try:
