timer2: Set self.running=False in stop() so it won't try to join again on subsequent calls.
timer2: Set self.running=False in stop() so it won't try to join again on subsequent calls.

frac/celery,WoLpH/celery,cbrepo/celery,frac/celery,cbrepo/celery,WoLpH/celery,ask/celery,ask/celery