code: def reply_inform(cls, req_msg, *args):
          
          return cls(cls.INFORM, req_msg.name, args, req_msg.mid)
docs: Helper method for creating inform messages in reply to a request.
  
          Copies the message name and message identifier from request message.
  
          Parameters
          ----------
          req_msg : katcp.core.Message instance
              The request message that this inform if in reply to
          args : list of strings
              The message arguments except name