software-center-gtk3 crashed with AttributeError in rebuild_categorised_view(): 'NoneType' object has no attribute 'query'

[Mike Bradley]

Updating sources and crashed...

ProblemType: Crash
DistroRelease: Ubuntu 11.10
Package: software-center 4.1.20
ProcVersionSignature: Ubuntu 3.0.0-9.14-generic 3.0.3
Uname: Linux 3.0.0-9-generic i686
NonfreeKernelModules: wl
Architecture: i386
Date: Sat Aug 27 18:23:56 2011
ExecutablePath: /usr/share/software-center/software-center-gtk3
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Alpha i386 (20110820)
InterpreterPath: /usr/bin/python2.7
PackageArchitecture: all
ProcCmdline: /usr/bin/python /usr/bin/software-center-gtk3
ProcEnviron:
 PATH=(custom, no user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
PythonArgs: ['/usr/bin/software-center-gtk3']
SourcePackage: software-center
Title: software-center-gtk3 crashed with AttributeError in rebuild_categorised_view(): 'NoneType' object has no attribute 'query'
Traceback:
 Traceback (most recent call last):
   File "/usr/share/software-center/softwarecenter/ui/gtk3/panes/installedpane.py", line 197, in rebuild_categorised_view
     enq.set_query(self.state.channel.query,
 AttributeError: 'NoneType' object has no attribute 'query'
UpgradeStatus: Upgraded to oneiric on 2011-08-24 (3 days ago)
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare

[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 #834260, 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.