session-installer crashed with RuntimeError in /usr/lib/python2.7/dist-packages/gi/overrides/Gtk.py: Gtk couldn't be initialized

[Aidan]

The error message just appeared as I logged in after a restart (due to a bit of a random compiz problem) wish I could provide more information, but i really have no clue what happened.

ProblemType: Crash
DistroRelease: Ubuntu 12.04
Package: sessioninstaller 0.20+bzr123-0ubuntu1
ProcVersionSignature: Ubuntu 3.2.0-16.25-generic-pae 3.2.6
Uname: Linux 3.2.0-16-generic-pae i686
ApportVersion: 1.91-0ubuntu1
Architecture: i386
Date: Wed Feb 15 03:04:01 2012
DuplicateOf: https://bugs.launchpad.net/bugs/904825
ExecutablePath: /usr/bin/session-installer
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Alpha i386 (20120201.1)
InterpreterPath: /usr/bin/python2.7
PackageArchitecture: all
ProcCmdline: /usr/bin/python /usr/bin/session-installer
ProcEnviron:
 SHELL=/bin/bash
 PATH=(custom, no user)
 LANGUAGE=en_CA:en
 LANG=en_CA.UTF-8
PythonArgs: ['/usr/bin/session-installer']
SourcePackage: sessioninstaller
Title: session-installer crashed with RuntimeError in /usr/lib/python2.7/dist-packages/gi/overrides/Gtk.py: Gtk couldn't be initialized
UpgradeStatus: Upgraded to precise on 2012-02-13 (3 days ago)
UserGroups:

[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 #904825, 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.