[Bug 1024231] Re: do-release-upgrade crashed with ImportError in /usr/lib/hostname-release-upgrader/check-new-release: No module named DistUpgrade.DistUpgradeVersion

[Brian Murray]

*** This bug is a duplicate of bug 1023055 ***
    https://bugs.launchpad.net/bugs/1023055

** This bug is no longer a duplicate of private bug 1023428
** This bug has been marked a duplicate of bug 1023055
   do-release-upgrade crashed with ImportError in /usr/lib/ubuntu-release-upgrader/check-new-release: No module named DistUpgrade.DistUpgradeVersion

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https://bugs.launchpad.net/bugs/1024231

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

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

Bug description:
  There appears to be a problem with the Ubuntu 12.10 upgrader. An error
  message popped up while using a live DVD this is normally followed by
  two error messages while I install 12.10, one saying the installer
  crashed and the other saying the install medium is faulty even though
  the install medium is new, with no scratches.

  ProblemType: Crash
  DistroRelease: Ubuntu 12.10
  Package: ubuntu-release-upgrader-core 1:0.170
  ProcVersionSignature: Ubuntu 3.5.0-4.4-generic 3.5.0-rc6
  Uname: Linux 3.5.0-4-generic x86_64
  ApportVersion: 2.3-0ubuntu4
  Architecture: amd64
  CasperVersion: 1.319
  Date: Fri Jul 13 02:27:24 2012
  ExecutablePath: /usr/bin/do-release-upgrade
  InterpreterPath: /usr/bin/python2.7
  LiveMediaBuild: Ubuntu 12.10 "Quantal Quetzal" - Alpha amd64 (20120712.2)
  PackageArchitecture: all
  ProcCmdline: /usr/bin/python /usr/lib/hostname-release-upgrader/check-new-release -q
  ProcEnviron:
   TERM=linux
   PATH=(custom, no user)
  PythonArgs: ['/usr/lib/hostname-release-upgrader/check-new-release', '-q']
  SourcePackage: ubuntu-release-upgrader
  Title: do-release-upgrade crashed with ImportError in /usr/lib/hostname-release-upgrader/check-new-release: No module named DistUpgrade.DistUpgradeVersion
  Traceback:
   Traceback (most recent call last):
     File "/usr/lib/hostname-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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