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 write(self) -> None:  # type: ignore[override]
        rval: None = super(SubmoduleConfigParser, self).write()
        self.flush_to_index()
        return rval