title: Raspbian can not be update properly
body: <p>Suddenly my RaspberryPi can not be upgrade properly. The apt gives following error message. Is there anyone could me how to fix this problem. 
     Following is the error message </p>
  
  <pre><code>dpkg-deb: error: subprocess tar was killed by signal (Segmentation fault)
      Traceback (most recent call last):
        File "/usr/bin/apt-listchanges", line 250, in &lt;module&gt;
          main()
        File "/usr/bin/apt-listchanges", line 108, in main
          pkg = DebianFiles.Package(deb)
        File "/usr/share/apt-listchanges/DebianFiles.py", line 134, in __init__
          self.binary  = pkgdata.Package
      AttributeError: ControlStanza instance has no attribute 'Package'
  </code></pre>