code: def unlisten_to_node(self, id_):
          
          id_pubsub = _pubsub_key(id_)
  
          if id_pubsub in self._listening_to:
              del self._listening_to[id_pubsub]
              self.toredis.unsubscribe(id_pubsub)
  
              parent = json_decode(r_client.get(id_)).get('parent', None)
              if parent is not None:
                  r_client.srem(_children_key(parent), id_)
              r_client.srem(self.group_children, id_)
  
              return id_
docs: Stop listening to a job
  
          Parameters
          ----------
          id_ : str
              An ID to remove
  
          Returns
          --------
          str or None
              The ID removed or None if the ID was not removed