Software Center crashes on update

[James Clemence]

Got the following error when upgrading software center.

Setting up software-center (4.1.23.3) ...
Updating software catalog...this may take a moment.
Traceback (most recent call last):
  File "/usr/sbin/update-software-center", line 169, in <module>
    result = rebuild_database(pathname)
  File "/usr/share/software-center/softwarecenter/db/update.py", line 777, in rebuild_database
    cache = get_pkg_info()
  File "/usr/share/software-center/softwarecenter/db/pkginfo.py", line 179, in get_pkg_info
    pkginfo = AptCache()
  File "/usr/share/software-center/softwarecenter/db/pkginfo_impl/aptcache.py", line 112, in __init__
    self.apt_finished_stamp=Gio.File.new_for_path(self.APT_FINISHED_STAMP)
AttributeError: type object 'File' has no attribute 'new_for_path'
Processing triggers for libc-bin ...
ldconfig deferred processing now taking place

ProblemType: Bug
DistroRelease: Ubuntu 11.10
Package: software-center 4.1.23.3
ProcVersionSignature: Ubuntu 3.0.0-9.15-generic 3.0.3
Uname: Linux 3.0.0-9-generic x86_64
ApportVersion: 1.23-0ubuntu1
Architecture: amd64
Date: Sun Sep 18 18:22:46 2011
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Beta amd64 (20110901)
PackageArchitecture: all
ProcEnviron:
 LANGUAGE=en_GB:en
 PATH=(custom, no user)
 LANG=en_GB.UTF-8
 SHELL=/bin/bash
SourcePackage: software-center
UpgradeStatus: No upgrade log present (probably fresh install)

[Robert Roth (evfool)]

Thank you for taking the time to report this bug and helping to make Ubuntu better. This particular bug has already been reported and is a duplicate of bug #845280, so it 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. Feel free to continue to report any other bugs you may find.