code: def throw(self, method, args={}, nowait=False, **kwargs):
          
          r = self.call_or_cast(method, args, type=ACTOR_TYPE.RR,
                                nowait=nowait, **kwargs)
          if not nowait:
              return r
docs: Call method on one of the agents in round robin.
  
          See :meth:`call_or_cast` for a full list of supported
          arguments.
  
          If the keyword argument `nowait` is false (default) it
          will block and return the reply.