Take action once the proccessing of an object completes.

def after_object(eng, objects, obj):
        """Take action once the proccessing of an object completes."""
        # We save each object once it is fully run through
        super(InvenioProcessingFactory, InvenioProcessingFactory)\
            .after_object(eng, objects, obj)
        obj.save(
            status=obj.known_statuses.COMPLETED,
            id_workflow=eng.model.uuid
        )
        db.session.commit()