Nested ClusterableModel relations are not copied about django-modelcluster HOT 1 OPEN

        for child_object in source_manager.all().order_by("pk"):
            old_pk = child_object.pk
            # TODO: What do we do about the child_object_map of the child_object?
            if isinstance(child_object, ClusterableModel):
                child_object, _ = child_object.copy_cluster()

            child_object.pk = None
            setattr(child_object, parental_key_name, target.id)
            target_manager.add(child_object)