def test_oldFile(self):
        """
        A file with an mtime six months (approximately) or more in the past has
        a listing including a low-resolution timestamp.
        """
        # Go with 7 months.  That's more than 6 months.
        then = self.now - (60 * 60 * 24 * 31 * 7)
        stat = os.stat_result((0, 0, 0, 0, 0, 0, 0, 0, then, 0))

        self.assertEqual(
            self._lsInTimezone('America/New_York', stat),
            '!---------    0 0        0               0 Apr 26  1973 foo')
        self.assertEqual(
            self._lsInTimezone('Pacific/Auckland', stat),
            '!---------    0 0        0               0 Apr 27  1973 foo')

        A file with an mtime six months (approximately) or more in the past has
        a listing including a low-resolution timestamp.
        
stackoverflow/venv/lib/python3.6/site-packages/twisted/conch/test/test_cftp.py