def test_getitem_setitem_datetime_tz_dateutil(self):
        tm._skip_if_no_dateutil()
        from dateutil.tz import tzutc
        from pandas.tslib import _dateutil_gettz as gettz

        tz = lambda x: tzutc() if x not in 'UTC' else gettz(
            x)  # handle special case for utc in dateutil

        from pandas import date_range

        N = 50
        # testing with timezone, GH #2785
        rng = date_range('1/1/1990', periods=N, freq='H', tz='US/Eastern')
        ts = Series(np.random.randn(N), index=rng)

        # also test Timestamp tz handling, GH #2789
        result = ts.copy()
        result["1990-01-01 09:00:00+00:00"] = 0
        result["1990-01-01 09:00:00+00:00"] = ts[4]
        assert_series_equal(result, ts)

        result = ts.copy()
        result["1990-01-01 03:00:00-06:00"] = 0
        result["1990-01-01 03:00:00-06:00"] = ts[4]
        assert_series_equal(result, ts)

        # repeat with datetimes
        result = ts.copy()
        result[datetime(1990, 1, 1, 9, tzinfo=tz('UTC'))] = 0
        result[datetime(1990, 1, 1, 9, tzinfo=tz('UTC'))] = ts[4]
        assert_series_equal(result, ts)

        result = ts.copy()
        result[datetime(1990, 1, 1, 3, tzinfo=tz('US/Central'))] = 0
        result[datetime(1990, 1, 1, 3, tzinfo=tz('US/Central'))] = ts[4]
        assert_series_equal(result, ts)
dataset/ETHPy150Open pydata/pandas/pandas/tests/series/test_timeseries.py/TestSeriesTimeSeries.test_getitem_setitem_datetime_tz_dateutil/operator `==` -> `not in`