celery log after csv upload

[2012-06-18 10:34:36,125: INFO/MainProcess] Got task from broker: archiver.update[
e5b562ca-e3b9-429d-b214-6a32039b2127]
[2012-06-18 10:34:36,139: INFO/MainProcess] Got task from broker: datastorer.uploa
d[5bdeec6a-4ef6-45eb-810b-b5636dbbcea5]
[2012-06-18 10:35:18,364: ERROR/MainProcess] Task datastorer.upload[5bdeec6a-4ef6-
45eb-810b-b5636dbbcea5] raised exception: AttributeError("'NoneType' object has no
 attribute 'read'",)
Traceback (most recent call last):
  File "/usr/local/lib/python2.6/dist-packages/celery/execute/trace.py", line 47,
in trace
    return cls(states.SUCCESS, retval=fun(*args, **kwargs))
  File "/usr/local/lib/python2.6/dist-packages/celery/app/task/__init__.py", line
247, in __call__
    return self.run(*args, **kwargs)
  File "/usr/local/lib/python2.6/dist-packages/celery/app/__init__.py", line 175,
in run
    return fun(*args, **kwargs)
  File "/var/lib/ckan/data/okfn-ckanext-datastorer/ckanext/datastorer/tasks.py", l
ine 82, in datastorer_upload
  File "/var/lib/ckan/data/pyenv/src/ckanext-archiver/ckanext/archiver/tasks.py",
line 376, in update_task_status
    resource['last_modified'] = datetime.now().isoformat()
  File "/usr/local/lib/python2.6/dist-packages/requests/models.py", line 482, in c
ontent
    self._content = self.raw.read()
AttributeError: 'NoneType' object has no attribute 'read'
[2012-06-18 10:35:39,460: INFO/MainProcess] Task archiver.update[e5b562ca-e3b9-429
d-b214-6a32039b2127] succeeded in 21.0952119827s: None