[Bug 79590] update-manager crashes due to missing module

[Marion Wardermann]

Public bug reported:

Binary package hint: update-manager

If starting update-manager, it crashes with the error:
  File "/usr/bin/update-manager", line 32, in <module>
    from UpdateManager.UpdateManager import UpdateManager
ImportError: No module named UpdateManager.UpdateManager

** Affects: update-manager (Ubuntu)
     Importance: Undecided
     Assignee: Ubuntu Desktop Bugs
         Status: Needs Info

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update-manager crashes due to missing module
https://launchpad.net/bugs/79590