@pytest.mark.parametrize('other', [None, np.nan, pd.NaT])
def test_dti_ne_null_scalar(self, other, tz):
    dti = pd.date_range('2016-01-01', periods=2, tz=tz)
    assert (dti != other).all()
@pytest.mark.parametrize('other', [None, np.nan, pd.NaT])
def test_dti_ne_null_scalar(self, other, tz):
    dti = pd.date_range('2016-01-01', periods=2, tz=tz)
    assert (dti != other).all()