Do not set attribute on a namedtuple

                    log.warning(

                        f"{obj.__class__.__name__} object with ID {obj.id} found in backend object store with ID {id}"

                    )

                    try:

                        obj.object_store_id = id

                    except AttributeError:

                        # obj is likely a namedtuple (/scripts/cleanup_datasets/pgcleanup.py::RemovesDatasets)

                        log.info("Unable to set object_store_id on a readonly dataset object: %s", obj)

                    return id

        return None