update-manager crashed with ImportError in <module>()

[aviramof]

Binary package hint: update-manager

happen when i tried to update.

ProblemType: Crash
DistroRelease: Ubuntu 10.10
Package: update-manager 1:0.142.3
ProcVersionSignature: Ubuntu 2.6.35-6.9-generic 2.6.35-rc3
Uname: Linux 2.6.35-6-generic i686
NonfreeKernelModules: fglrx
Architecture: i386
Date: Sat Jul 10 12:37:39 2010
ExecutablePath: /usr/bin/update-manager
InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Alpha i386 (20100613)
InterpreterPath: /usr/bin/python2.6
PackageArchitecture: all
ProcCmdline: /usr/bin/python2.6 /usr/bin/update-manager
ProcEnviron:
 LANG=he_IL.utf8
 SHELL=/bin/bash
PythonArgs: ['/usr/bin/update-manager']
SourcePackage: update-manager
Title: update-manager crashed with ImportError in <module>()
Traceback:
 Traceback (most recent call last):
   File "/usr/lib/pymodules/python2.6/gtk-2.0/gi/__init__.py", line 27, in <module>
     from gi.repository import GObject
 ImportError: cannot import name GObject
UserGroups: adm admin audio cdrom dialout dip fax floppy fuse lpadmin netdev plugdev sambashare tape video

[Apport retracing service (apport)]

Thank you for taking the time to report this crash and helping to make Ubuntu better. This particular crash has already been reported and is a duplicate of bug #603837, 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.