code: def handle_inform(self, msg):
          
          try:
              for func in self._inform_hooks.get(msg.name, []):
                  func(msg)
          except Exception:
              self._logger.warning('Call to function "{0}" with message "{1}".'
                                   .format(func, msg), exc_info=True)
          super(_InformHookDeviceClient, self).handle_inform(msg)
docs: Call callbacks on hooked informs followed by normal processing