[Bug 1322363] Re: obsolete_pkgs and foregin_pkgs can not be lists

[Launchpad Bug Tracker]

This bug was fixed in the package ubuntu-release-upgrader - 1:14.10.4

---------------
ubuntu-release-upgrader (1:14.10.4) utopic; urgency=medium

  * DistUpgrade/DistUpgradeController.py:
    - modify where the sort of foreign and obsolete lists of packages
      occurs (LP: #1322363)
 -- Brian Murray <brian at ubuntu.com>   Thu, 22 May 2014 14:46:13 -0700

** Changed in: ubuntu-release-upgrader (Ubuntu)
       Status: Fix Committed => Fix Released

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https://bugs.launchpad.net/bugs/1322363

Title:
  obsolete_pkgs and foregin_pkgs can not be lists

Status in “ubuntu-release-upgrader” package in Ubuntu:
  Fix Released

Bug description:
  The error tracker has a crash
  (https://errors.ubuntu.com/problem/9b006966434c4db556a21641f728a6ef31553a9f)
  with the following traceback.

  Traceback (most recent call last):
    File "/usr/lib/ubuntu-release-upgrader/do-partial-upgrade", line 105, in <module>
      controller.doPartialUpgrade()
    File "/usr/lib/python3/dist-packages/DistUpgrade/DistUpgradeController.py", line 1846, in doPartialUpgrade
      if not self.doPostUpgrade():
    File "/usr/lib/python3/dist-packages/DistUpgrade/DistUpgradeController.py", line 1249, in doPostUpgrade
      remove_candidates = now_obsolete - self.obsolete_pkgs
  TypeError: unsupported operand type(s) for -: 'set' and 'list'

  This was introduced in r2804 by myself.

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