def test_drop_obs_column():
    adata = ad.AnnData(np.array(X_list), obs=obs_dict, dtype="int32")

    subset = adata[:2]
    assert subset.is_view
    # returns a copy of obs
    assert subset.obs.drop(columns=["oanno1"]).columns.tolist() == ["oanno2", "oanno3"]
    assert subset.is_view
    # would modify obs, so it should actualize subset and not modify adata
    subset.obs.drop(columns=["oanno1"], inplace=True)
    assert not subset.is_view
    assert subset.obs.columns.tolist() == ["oanno2", "oanno3"]

    assert adata.obs.columns.tolist() == ["oanno1", "oanno2", "oanno3"]
def __add_fuzzing_boundaries(self):
        lower_bound = -1
        if self.ui.spinBoxLowerBound.isEnabled():
            lower_bound = self.ui.spinBoxLowerBound.value()

        upper_bound = -1
        if self.ui.spinBoxUpperBound.isEnabled():
            upper_bound = self.ui.spinBoxUpperBound.value()

        num_vals = self.ui.spinBoxBoundaryNumber.value()
        self.fuzz_table_model.add_boundaries(lower_bound, upper_bound, num_vals)