code: def select(self, cls, **kwargs):
          
          name = qualname(cls)
          id = first_reply(
              self.scatter('select', {'cls': name}, limit=1), cls)
          return ActorProxy(name, id, agent=self,
                            connection=self.connection, **kwargs)
docs: Get the id of already spawned actor
  
          :keyword actor: the name of the :class:`Actor` class