[Bug 1023055] Re: do-release-upgrade crashed with ImportError in /usr/lib/ubuntu-release-upgrader/check-new-release: No module named DistUpgrade.DistUpgradeVersion

[Mark Kelley]

I tried this fix, posted by someone called mc4man on ubuntuforums.org,
and it worked on my system:

But what you could try -
get these 3 packages, place in a folder, cd to the folder * run
Code:

sudo dpkg -i *.deb

As long as they install then it won't matter if there are any other
broken, synaptic or apt-get should handle

python3_3.2.3-3ubuntu1_all.deb
python3-all_3.2.3-3ubuntu1_all.deb
python3-minimal_3.2.3-3ubuntu1_all.deb

Can be downloaded from here if not already in /var/cache/apt/archives, just use those 3 to start
https://launchpad.net/ubuntu/+source...+build/3652904

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https://bugs.launchpad.net/bugs/1023055

Title:
  do-release-upgrade crashed with ImportError in /usr/lib/ubuntu-
  release-upgrader/check-new-release: No module named
  DistUpgrade.DistUpgradeVersion

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

Bug description:
  Did release upgrade trying to fix
  https://bugs.launchpad.net/ubuntu/+source/compiz/+bug/1020075

  Got this error and no fix.

  ProblemType: Crash
  DistroRelease: Ubuntu 12.10
  Package: ubuntu-release-upgrader-core 1:0.170
  ProcVersionSignature: Ubuntu 3.5.0-3.3-generic 3.5.0-rc5
  Uname: Linux 3.5.0-3-generic x86_64
  ApportVersion: 2.3-0ubuntu2
  Architecture: amd64
  Date: Tue Jul 10 17:36:23 2012
  ExecutablePath: /usr/bin/do-release-upgrade
  InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Alpha amd64 (20120530)
  InterpreterPath: /usr/bin/python2.7
  PackageArchitecture: all
  ProcCmdline: /usr/bin/python /usr/lib/ubuntu-release-upgrader/check-new-release -q
  ProcEnviron: PATH=(custom, no user)
  PythonArgs: ['/usr/lib/ubuntu-release-upgrader/check-new-release', '-q']
  SourcePackage: ubuntu-release-upgrader
  Title: do-release-upgrade crashed with ImportError in /usr/lib/ubuntu-release-upgrader/check-new-release: No module named DistUpgrade.DistUpgradeVersion
  Traceback:
   Traceback (most recent call last):
     File "/usr/lib/ubuntu-release-upgrader/check-new-release", line 8, in <module>
       from DistUpgrade.DistUpgradeVersion import VERSION
   ImportError: No module named DistUpgrade.DistUpgradeVersion
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups:

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