diff --git a/Lib/test/test_dictviews.py b/Lib/test/test_dictviews.py index 62bcb346ab..e8db2a61a0 100644 --- a/Lib/test/test_dictviews.py +++ b/Lib/test/test_dictviews.py @@ -322,6 +322,9 @@ def test_abc_registry(self): self.assertIsInstance(d.values(), collections.abc.ValuesView) self.assertIsInstance(d.values(), collections.abc.MappingView) self.assertIsInstance(d.values(), collections.abc.Sized) + self.assertIsInstance(d.values(), collections.abc.Collection) + self.assertIsInstance(d.values(), collections.abc.Iterable) + self.assertIsInstance(d.values(), collections.abc.Container) self.assertIsInstance(d.items(), collections.abc.ItemsView) self.assertIsInstance(d.items(), collections.abc.MappingView)