Test failure on 3.14

[limburgher]

=================================== FAILURES ===================================
______________ GetUtilityTestCase.test_typed_dict_mypy_extension _______________

self = <test_typing_inspect.GetUtilityTestCase testMethod=test_typed_dict_mypy_extension>

@skipUnless(PY36, "Python 3.6 required")
def test_typed_dict_mypy_extension(self):
    TDOld = METypedDict("TDOld", {'x': int, 'y': int})

  self.assertEqual(typed_dict_keys(TDM), {'x': int, 'y': int})

E AssertionError: {} != {'x': <class 'int'>, 'y': <class 'int'>}
E - {}
E + {'x': <class 'int'>, 'y': <class 'int'>}

test_typing_inspect.py:497: AssertionError

See: https://bugzilla.redhat.com/show_bug.cgi?id=2325455