worker.heartbeat: We may lost the race at interpreter shutdown, so the gc has already collected time.time().
worker.heartbeat: We may lost the race at interpreter shutdown, so the gc has already collected time.time().

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