code: def stop_actor(self, aid):
          '''
          This method removes one actor from the Host, stoping it and deleting
          all its references.
  
          :param str. aid: identifier of the actor you want to stop.
          '''
          url = '%s://%s/%s' % (self.transport, self.host_url.netloc, aid)
          if url != self.url:
              actor = self.actors[url]
              Proxy(actor).stop()
              actor.thread.join()
              del self.actors[url]
              del self.threads[actor.threadf stop_actor(self, aid):
          '''
          This method removes one actor from the Host, stoping it and deleting
          all its references.
  
          :param str. aid: identifier of the actor you want to stop.
          '''
          url = '%s://%s/%s' % (self.transport, self.host_url.netloc, aid)
          if url != self.url:
              actor = self.actors[url]
              Proxy(actor).stop()
              actor.thread.join()
              del self.actors[url]
              del self.threads[actor.thread]
docs: This method removes one actor from the Host, stoping it and deleting
          all its references.
  
          :param str. aid: identifier of the actor you want to stop.