code: async def _ask_queue_update(self):
          
          try:
              while True:
                  await asyncio.sleep(self._queue_update_timer)
                  if self._queue_update_last_attempt == 0 or self._queue_update_last_attempt > self._queue_update_last_attempt_max:
                      if self._queue_update_last_attempt:
                          self._logger.error("Asking for a job queue update despite previous update not yet received")
                      else:
                          self._logger.debug("Asking for a job queue update")
  
                      self._queue_update_last_attempt = 1
                      await self._simple_send(ClientGetQueue())
                  else:
                      self._logger.error("Not asking for a job queue update as previous update not yet received")
          except asyncio.CancelledError:
              return
          except KeyboardInterrupt:
              return
docs: Send a ClientGetQueue message to the backend, if one is not already sent