def METHOD_NAME():
    date_range = DateRange(dt(2013, 1, 1),
                           dt(2014, 2, 1), OPEN_OPEN)
    expected = DateRange(dt(2013, 1, 1, 0, 0, 0, 1000, tzinfo=mktz()),
                         dt(2014, 1, 31, 23, 59, 59, 999000, tzinfo=mktz()),
                         CLOSED_CLOSED)
    act = to_pandas_closed_closed(date_range)
    assert act == expected