https://github.com/python/cpython/commit/a468866a67d83a24e3a3c3a0070129773d28bbd9 commit: a468866a67d83a24e3a3c3a0070129773d28bbd9 branch: 3.10 author: Miss Islington (bot) <31488909+miss-islington at users.noreply.github.com> committer: miss-islington <31488909+miss-islington at users.noreply.github.com> date: 2022年01月12日T17:45:49-08:00 summary: bpo-46345: Add a test case for implicit `Optional` class attribute (GH-30535) (cherry picked from commit 1de60155d5d01be2924e72fb68dd13d4fd00acd7) Co-authored-by: Nikita Sobolev <mail at sobolevn.me> files: M Lib/test/test_typing.py diff --git a/Lib/test/test_typing.py b/Lib/test/test_typing.py index 82b6f8c1c6406..f943aed73614c 100644 --- a/Lib/test/test_typing.py +++ b/Lib/test/test_typing.py @@ -3104,6 +3104,12 @@ def test_get_type_hints_classes(self): 'my_inner_a2': mod_generics_cache.B.A, 'my_outer_a': mod_generics_cache.A}) + def test_get_type_hints_classes_no_implicit_optional(self): + class WithNoneDefault: + field: int = None # most type-checkers won't be happy with it + + self.assertEqual(gth(WithNoneDefault), {'field': int}) + def test_respect_no_type_check(self): @no_type_check class NoTpCheck: