code: def _send_timer_stopped(self, lCall):
          
          if self._sendLooper is not lCall:
              log.warning('commitTimerStopped with wrong timer:%s not:%s',
                          lCall, self._sendLooper)
          else:
              self._sendLooper = None
              self._sendLooperD = None
docs: We're shutting down, clean up our looping call...