[Bug 1296492] Re: do-release-upgrade crashed with AttributeError in run(): 'apt_pkg.PackageManager' object has no attribute 'ResultFailed'

[returningshadow]

*** This bug is a duplicate of bug 1292335 ***
    https://bugs.launchpad.net/bugs/1292335

Apparently I don't have permission to view the bug that this is a
duplicate of.

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https://bugs.launchpad.net/bugs/1296492

Title:
  do-release-upgrade crashed with AttributeError in run():
  'apt_pkg.PackageManager' object has no attribute 'ResultFailed'

Status in “ubuntu-release-upgrader” package in Ubuntu:
  New

Bug description:
  I'm trying to do a partial upgrade, and it's not working. For some
  reason, ubuntu-desktop cannot be installed. Somebody dun goofed.

  ProblemType: Crash
  DistroRelease: Ubuntu 14.04
  Package: ubuntu-release-upgrader-core 1:0.219
  ProcVersionSignature: Ubuntu 3.13.0-19.39-generic 3.13.6
  Uname: Linux 3.13.0-19-generic x86_64
  ApportVersion: 2.13.3-0ubuntu1
  Architecture: amd64
  CrashDB: ubuntu
  Date: Mon Mar 24 15:06:45 2014
  ExecutablePath: /usr/bin/do-release-upgrade
  InstallationDate: Installed on 2014-02-28 (23 days ago)
  InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Alpha amd64 (20140224)
  InterpreterPath: /usr/bin/python3.4
  PackageArchitecture: all
  ProcCmdline: /usr/bin/python3 /usr/lib/ubuntu-release-upgrader/do-partial-upgrade --frontend=DistUpgradeViewGtk3
  ProcEnviron:
   SHELL=/bin/bash
   LANG=en_NZ.UTF-8
   LANGUAGE=en_NZ:en
   PATH=(custom, no user)
  PythonArgs: ['/usr/bin/do-release-upgrade', '--frontend=DistUpgradeViewGtk3']
  SourcePackage: ubuntu-release-upgrader
  Title: do-release-upgrade crashed with AttributeError in run(): 'apt_pkg.PackageManager' object has no attribute 'ResultFailed'
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups:

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