software-center-gtk3 crashed with AttributeError in _row_visibility_func(): 'InstalledPane' object has no attribute 'visible_cats'

[mmmubuntu]

error

ProblemType: Crash
DistroRelease: Ubuntu 11.10
Package: software-center 4.1.20
Uname: Linux 3.1.0-0301rc2-generic i686
Architecture: i386
Date: Thu Sep 1 13:09:31 2011
ExecutablePath: /usr/share/software-center/software-center-gtk3
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Alpha i386 (20110816)
InterpreterPath: /usr/bin/python2.7
PackageArchitecture: all
ProcCmdline: /usr/bin/python /usr/bin/software-center-gtk3
PythonArgs: ['/usr/bin/software-center-gtk3']
SourcePackage: software-center
Title: software-center-gtk3 crashed with AttributeError in _row_visibility_func(): 'InstalledPane' object has no attribute 'visible_cats'
Traceback:
 Traceback (most recent call last):
   File "/usr/share/software-center/softwarecenter/ui/gtk3/panes/installedpane.py", line 141, in _row_visibility_func
     return row.untranslated_name in self.visible_cats.keys()
 AttributeError: 'InstalledPane' object has no attribute 'visible_cats'
UpgradeStatus: Upgraded to oneiric on 2011-08-30 (1 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 #834893, 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.