Class Naive

Lib/test/datetimetester.py:5112–5113

        # It's also naive if it has tzinfo but tzinfo.utcoffset() is None.
        class Naive(tzinfo):
            def utcoffset(self, dt): return None
        t2 = self.theclass(5, 6, 7, tzinfo=Naive())
        self.assertNotEqual(t1, t2)
        self.assertEqual(t2, t2)