Traceback (most recent call last):
  File "/usr/bin/gdebi-gtk", line 73, in <module>
    app = GDebi(datadir=data,options=options,file=afile)
  File "/usr/share/gdebi/GDebi/GDebi.py", line 148, in __init__
    self.open(file)
  File "/usr/share/gdebi/GDebi/GDebi.py", line 327, in open
    provides = self.compareProvides()
  File "/usr/share/gdebi/GDebi/GDebiCommon.py", line 129, in compareProvides
    pkg = self._cache[self._deb.pkgname].installed
  File "/usr/lib/python2.7/dist-packages/apt/cache.py", line 177, in __getitem__
    raise KeyError('The cache has no package named %r' % key)
KeyError: "The cache has no package named 'goober'"