I finally tracked the problem down to the kombu 2.5.0. Prior versions seem to work fine. Then I found this thread:
https://github.com/celery/kombu/issues/177 According to the developer a fix is on the way. In the meantime, you can downgrade to 2.4.10 On Wednesday, November 28, 2012 1:09:54 PM UTC+1, Sergey Russkih wrote: > > Same problem > > среда, 28 ноября 2012 г., 12:21:56 UTC+2 пользователь Mike написал: >> >> I decided to update some packages in the virtualenv for my Django project >> but in doing so I seem to have broken celery. After upgrading to the >> latest version, I now get this TypeError when calling a view that also >> submits a celery job with my_func.delay() Here's the error I get: >> >> set([]) is not JSON serializable >> >> I upgraded to: >> celery==3.0.12 >> django-celery==3.0.11 >> >> Several dependencies were also upgraded: billiard python-dateutil kombu >> pytz anyjson amqp importlib ordereddict >> >> Has anyone else seen this with the latest version of celery? >> > -- You received this message because you are subscribed to the Google Groups "Django users" group. To view this discussion on the web visit https://groups.google.com/d/msg/django-users/-/ZkdNEMVKY1gJ. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/django-users?hl=en.

