code: async def _handle_set_typing_notification(self, set_typing_notification):
          
          conv_id = set_typing_notification.conversation_id.id
          res = parsers.parse_typing_status_message(set_typing_notification)
          await self.on_typing.fire(res)
          try:
              conv = await self._get_or_fetch_conversation(conv_id)
          except exceptions.NetworkError:
              logger.warning(
                  'Failed to fetch conversation for typing notification: %s',
                  conv_id
              )
          else:
              await conv.on_typing.fire(res)
docs: Receive SetTypingNotification and update the conversation.
  
          Args:
              set_typing_notification: hangouts_pb2.SetTypingNotification
                  instance