Class NOFS

Lib/test/datetimetester.py:5494–5496

        self.assertEqual(0, t.tm_isdst)
        # Same if utcoffset is None
        class NOFS(DST):
            def utcoffset(self, dt):
                return None
        d = cls(1, 2, 3, 10, 20, 30, 40, tzinfo=NOFS())
        t = d.utctimetuple()
        self.assertEqual(t[:-1], d.timetuple()[:-1])