From 06e84914b5d773a258c58a37a13d5e0ee39555b4 Mon Sep 17 00:00:00 2001 From: Nikita Sobolev Date: Thu, 13 Jan 2022 02:35:44 +0300 Subject: [PATCH] bpo-46345: Add a test case for implicit `Optional` class attribute (GH-30535) (cherry picked from commit 1de60155d5d01be2924e72fb68dd13d4fd00acd7) Co-authored-by: Nikita Sobolev --- Lib/test/test_typing.py | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/Lib/test/test_typing.py b/Lib/test/test_typing.py index 19c38ec833c676..8cdb1166c847f7 100644 --- a/Lib/test/test_typing.py +++ b/Lib/test/test_typing.py @@ -2943,6 +2943,12 @@ 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: