Class Foo

Lib/test/test_property.py:306–310

        # be set via property subclasses in the first place.
        with self.assertRaises(AttributeError):
            class Foo(object):
                @PropertySubSlots
                def spam(self):
                    """Trying to copy this docstring will raise an exception"""
                    return 1

    def test_property_with_slots_no_docstring(self):
        # https://github.com/python/cpython/issues/98963#issuecomment-1574413319