backend_helper.py crashed with Depends in _run(): python3-distupgrade (= 1:0.165) but it is not installed

[3c57x9]

This error occurred during an update.

ProblemType: Crash
DistroRelease: Ubuntu 12.10
Package: update-notifier-common 0.119ubuntu15
ProcVersionSignature: Ubuntu 3.5.0-2.2-generic 3.5.0-rc4
Uname: Linux 3.5.0-2-generic x86_64
ApportVersion: 2.2.5-0ubuntu2
Architecture: amd64
Date: Mon Jul 2 18:07:07 2012
ExecutablePath: /usr/lib/update-notifier/backend_helper.py
InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Alpha amd64 (20120626.1)
InterpreterPath: /usr/bin/python2.7
PackageArchitecture: all
ProcCmdline: /usr/bin/python /usr/lib/update-notifier/backend_helper.py install_all_updates
ProcEnviron:
 PATH=(custom, no user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
PythonArgs: ['/usr/lib/update-notifier/backend_helper.py', 'install_all_updates']
SourcePackage: update-notifier
Title: backend_helper.py crashed with Depends in _run(): python3-distupgrade (= 1:0.165) but it is not installed
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo

[Apport retracing service (apport)]

Thank you for taking the time to report this crash and helping to make this software better. This particular crash has already been reported and is a duplicate of bug #1020240, so is being marked as such. Please look at the other bug report to see if there is any missing information that you can provide, or to see if there is a workaround for the bug. Additionally, any further discussion regarding the bug should occur in the other report. Please continue to report any other bugs you may find.

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.