Allow TaskMeta.result to be null. This fixes several failing tests.
Allow TaskMeta.result to be null. This fixes several failing tests.
ask/celery,cbrepo/celery,ask/celery,mitsuhiko/celery,frac/celery,WoLpH/celery,mitsuhiko/celery,WoLpH/celery,frac/celery,cbrepo/celery