Remove celery.task.is_successful (using default_backend)
Remove celery.task.is_successful (using default_backend)

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