celery multi celery.exceptions.TimeoutError: The operation timed out

[iMath]

在 2020年9月21日星期一 UTC+8 下午8:02:44，<Menno Holscher> 写道：
> Op 21-09-2020 om 12:14 schreef iMath:
> > Asked 3 days ago at https://stackoverflow.com/questions/63951696/celery-multi-celery-exceptions-timeouterror-the-operation-timed-out 
> > 
> > But nobody helped yet, anyone ? 
> >
> Did you see 
> https://stackoverflow.com/questions/9769496/celery-received-unregistered-task-of-type-run-example 
> ? 
> 
> The error says "Received unregistered task of type 'proj.tasks.add'", so 
> it looks very much like your registry is not correct/complete. 
> 
> Vriendelijke groeten/Kind regards, 
> 
> Menno Hölscher

None of the answers helped .
Finally ,I switched to https://github.com/jarekwg/django-apscheduler I found it is elegant and easy to use