[Bug 2007311] Re: apt-check python script doesn't catch issues before outputting bad data

[Kodiak Firesmith]

One of our python coders took a look at this issue with me today and had some observations that might help anyone trying to debug the issue:
https://stackoverflow.com/questions/75654312/why-do-the-two-python-apis-for-accessing-the-apt-cache-return-different-sets-of

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https://bugs.launchpad.net/bugs/2007311

Title:
  apt-check python script doesn't catch issues before outputting bad
  data

Status in update-notifier package in Ubuntu:
  Confirmed

Bug description:
  This type of error should be caught.

   /usr/lib/update-notifier/apt-check
  E: Unknown Error: '<class 'KeyError'>' ("The cache has no package named 'libxmlb2:amd64'")

  /usr/lib/update-notifier/apt-check --human-readable
  E: Unknown Error: '<class 'KeyError'>' ("The cache has no package named 'libxmlb2:amd64'")

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