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 test_telemetry_imports_hf(runner, live_mock_server, parse_ctx):
    with runner.isolated_filesystem():
        run = wandb.init()

        with mock.patch.dict("sys.modules", {"transformers": mock.Mock()}):
            import transformers

            run.finish()

            ctx_util = parse_ctx(live_mock_server.get_ctx())
            telemetry = ctx_util.telemetry

            # hf in finish modules but not in init modules
            assert telemetry and 11 not in telemetry.get("1", [])
            assert telemetry and 11 in telemetry.get("2", [])