Method test_isinstance

Lib/test/test_genericalias.py:408–411

(self)

        self.assertNotEqual((*tuple[int],)[0], tuple[int])

    def test_isinstance(self):
        self.assertTrue(isinstance([], list))
        with self.assertRaises(TypeError):
            isinstance([], list[str])

    def test_issubclass(self):
        class L(list): ...