def METHOD_NAME(self):
    with open(test_path("data/schedule/part1.sch")) as f:
        tv = TimeVector(datetime.date(1997, 11, 6), base_string = f.read())
    tv.load(test_path("data/schedule/part3.sch"))
    tv.load(test_path("data/schedule/part2.sch"))
    s = str(tv)
    tv2 = TimeVector(datetime.date(1997, 11, 6))
    tv2.load_string(s, date=datetime.datetime(1997, 11, 6))
    for ts1,ts2 in zip(tv,tv2):
        self.assertEqual(ts1.dt, ts2.dt)