Comment 2 for bug 678258

Traceback (most recent call last):
  File "/usr/lib/python2.6/dist-packages/aptdaemon/worker.py", line 161, in _process_transaction
    self.fix_broken_depends()
  File "/usr/lib/python2.6/dist-packages/aptdaemon/worker.py", line 644, in fix_broken_depends
    self._commit_changes()
  File "/usr/lib/python2.6/dist-packages/aptdaemon/worker.py", line 727, in _commit_changes
    self._check_unauthenticated()
  File "/usr/lib/python2.6/dist-packages/aptdaemon/worker.py", line 268, in _check_unauthenticated
    for pkg in self._cache:
  File "/usr/lib/python2.6/dist-packages/apt/cache.py", line 173, in __iter__
    yield self[pkgname]
  File "/usr/lib/python2.6/dist-packages/apt/cache.py", line 158, in __getitem__
    pkg = self._weakref[key] = Package(self, self._cache[key])
KeyError: 'opeooffice.org-style-crystal'