gistfile1.txt

[2011-11-09 08:55:05,146: WARNING/MainProcess] celery@myhost.local has started.
[2011-11-09 08:55:05,363: ERROR/MainProcess] Thread 'TaskHandler' crashed: AttributeError("'ImageSpecFile' object has no attribute 'source_file'",)
Traceback (most recent call last):
  File "[..]lib/python2.7/site-packages/celery/concurrency/processes/pool.py", line 191, in run
    return self.body()
  File "[..]lib/python2.7/site-packages/celery/concurrency/processes/pool.py", line 240, in body
    put(task)
  File "[..]lib/python2.7/site-packages/django/db/models/fields/files.py", line 140, in __getstate__
    return {'name': self.name, 'closed': False, '_committed': True, '_file': None}
  File "[..]lib/python2.7/site-packages/imagekit/models.py", line 254, in name
    filename = self.source_file.name
AttributeError: 'ImageSpecFile' object has no attribute 'source_file'