Comment 4 for bug 1055464

I was directed here when reporting, but in my case, it was with Skype, not Rhythmbox:

 Traceback (most recent call last):
   File "/usr/lib/python3/dist-packages/apport/packaging_impl.py", line 113, in _apt_pkg
     return self._cache()[package]
   File "/usr/lib/python3/dist-packages/apt/cache.py", line 185, in __getitem__
     raise KeyError('The cache has no package named %r' % key)
 KeyError: "The cache has no package named 'skype-bin'"