def test_tz_localize(self):
_skip_if_no_pytz()
dr = DateRange('1/1/2009', '1/1/2010')
dr_utc = DateRange('1/1/2009', '1/1/2010', tzinfo=pytz.utc)
localized = dr.tz_localize(pytz.utc)
self.assert_(np.array_equal(dr_utc, localized))
