def test_invalid_scalar_index(adata, index):
    # https://github.com/theislab/anndata/issues/619
    with pytest.raises(IndexError, match=r".*index.* out of range\."):
        _ = adata[index]
def get_except(self, func, *args):
        try:
            func(*args)
        except Exception as detail:
            return detail.__class__, str(detail)