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gh-149410: Test that typing.NoDefault is final (#149411)

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sobolevn 2026-05-05 17:58:49 +03:00 • committed by GitHub
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Lib/test/test_typing.py
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@ -11131,6 +11131,10 @@ def test_no_attributes(self):
with self.assertRaises(AttributeError):
type(NoDefault).foo
def test_no_subclassing(self):
with self.assertRaises(TypeError):
class Test(type(NoDefault)): ...
class AllTests(BaseTestCase):
"""Tests for __all__."""