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 teardown(self, stage: Optional[str] = None) -> None:
        """
        Execute arbitrary post-profiling tear-down steps.

        Closes the currently open file and stream.
        """
        self._write_stream = None
        if self._output_file is not None:
            self._output_file.close()
            self._output_file = None  # can't pickle TextIOWrapper