code: def return_msg(self, reply_code, reply_text, exchange, routing_key):
          '''
          Return a failed message.  Not named "return" because python interpreter
          can't deal with that.
          '''
          args = Writer()
          args.write_short(reply_code).\
              write_shortstr(reply_text).\
              write_shortstr(exchange).\
              write_shortstr(routing_key)
  
          self.send_frame(MethodFrame(self.channel_id, 60, 50, args)f return_msg(self, reply_code, reply_text, exchange, routing_key):
          '''
          Return a failed message.  Not named "return" because python interpreter
          can't deal with that.
          '''
          args = Writer()
          args.write_short(reply_code).\
              write_shortstr(reply_text).\
              write_shortstr(exchange).\
              write_shortstr(routing_key)
  
          self.send_frame(MethodFrame(self.channel_id, 60, 50, args))
docs: Return a failed message.  Not named "return" because python interpreter
          can't deal with that.