def test_typeOldStyle(self):
        """
        Test that an old style class type can be jellied and unjellied
        to the original type.
        """
        t = [C]
        r = jelly.unjelly(jelly.jelly(t))
        self.assertEqual(t, r)

        Test that an old style class type can be jellied and unjellied
        to the original type.
        
stackoverflow/venv/lib/python3.6/site-packages/twisted/spread/test/test_jelly.py