django celery: update_state not doing anything

I am writing a small test task for django-celery, in which I would like to set a custom state (and some data, but let's start with a custom state first). I use django as the messaging backend. My version of python is 2.6. Here's the content of tasks.py ``` import time from djcelery import celery @celery.task def generate(): generate.update_state(state="PROGRESS") time.sleep(10) return True ``` And here's what happens when I give it a try: ``` >>> import tasks >>> result = tasks.generate.delay() >>> result <AsyncResult: f72574aa-f8c5-49dc-89d4-47d2012a4d6d> # status and state are the same, but just to make sure >>> result.status u'PENDING' >>> result.state u'PENDING' >>> result.result # empty, as in None # wait a few seconds >>> result.status u'SUCCESS' >>> result.state u'SUCCESS' >>> result.result True ``` I can't figure out why the state is PENDING while it should be PROGRESS. Any idea? I've already looked at the documentation, and here's the relevant link: http://docs.celeryproject.org/en/latest/userguide/tasks.html#custom-states I do the exact same thing (minus the meta, but I also tried without success), so it should work. UPDATE: I found out why, looks like you have to restart the celery daemon whenever you update your tasks so that the changes are taken into account.