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bpo-46345: Add a test case for implicit Optional class attribute (GH-30535)
(cherry picked from commit 1de6015) Co-authored-by: Nikita Sobolev <[email protected]>
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Lib/test/test_typing.py

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@@ -2943,6 +2943,12 @@ def test_get_type_hints_classes(self):
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'my_inner_a2': mod_generics_cache.B.A,
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'my_outer_a': mod_generics_cache.A})
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def test_get_type_hints_classes_no_implicit_optional(self):
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class WithNoneDefault:
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field: int = None # most type-checkers won't be happy with it
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self.assertEqual(gth(WithNoneDefault), {'field': int})
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def test_respect_no_type_check(self):
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@no_type_check
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class NoTpCheck:

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