<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def handle_reply(self, msg):
 """Dispatch a reply message to the appropriate method. Parameters msg : Message object The reply message to dispatch. """

        method = self.__class__.unhandled_reply
        if msg.name in self._reply_handlers:
            method = self._reply_handlers[msg.name]

        try:
            return method(self, msg)
        except Exception:
            e_type, e_value, trace = sys.exc_info()
            reason = "\n".join(traceback.format_exception(
                e_type, e_value, trace, self._tb_limit))
            self._logger.error("Reply %s FAIL: %s" % (msg.name, reason))