code: def send(self, method, args={}, to=None, nowait=False, **kwargs):
          
  
          if to is None:
              to = self.routing_key
          r = self.call_or_cast(method, args, routing_key=to,
                                nowait=nowait, **kwargs)
          if not nowait:
              return r.get()
docs: Call method on agent listening to ``routing_key``.
  
          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.
  j