cubicweb #3221365 TypeError: can't compare offset-naive and offset-aware datetimes [open]

Traceback

2013-10-15 16:15:07 - (cubicweb.session) ERROR: while trying to update feed <test DataFeedSource source 1375 @0x45cb610>
Traceback (most recent call last):
File "/home/arthur/src/public/cubicweb/cubicweb/hooks/__init__.py", line 69, in update_feeds
  source.pull_data(session)
File "/home/arthur/src/public/cubicweb/cubicweb/server/sources/datafeed.py", line 174, in pull_data
  if not force and self.fresh():
File "/home/arthur/src/public/cubicweb/cubicweb/server/sources/datafeed.py", line 138, in fresh
  return datetime.utcnow() < (self.latest_retrieval + self.synchro_interval)
TypeError: can't compare offset-naive and offset-aware datetimes
prioritynormal
typebug
done in<not specified>
closed by<not specified>