Class ConcreteInherit

Lib/test/test_typing.py:4566–4570

            get_protocol_members(Concrete())

        class ConcreteInherit(P):
            a: int = 42
            def b(self) -> str: return "capybara"
            @property
            def c(self) -> int: return 5

        with self.assertRaisesRegex(TypeError, "not a Protocol"):
            get_protocol_members(ConcreteInherit)