software-center-gtk3 crashed with AttributeError in on_window_main_key_press_event(): 'AvailablePane' object has no attribute 'navigation_bar'

[Vadim]

dnk

ProblemType: Crash
DistroRelease: Ubuntu 11.10
Package: software-center 4.1.20
ProcVersionSignature: Ubuntu 3.0.0-9.15-generic-pae 3.0.3
Uname: Linux 3.0.0-9-generic-pae i686
NonfreeKernelModules: nvidia
Architecture: i386
Date: Thu Sep 1 23:30:47 2011
ExecutablePath: /usr/share/software-center/software-center-gtk3
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release i386 (20110427.1)
InterpreterPath: /usr/bin/python2.7
PackageArchitecture: all
ProcCmdline: /usr/bin/python /usr/bin/software-center-gtk3
ProcEnviron:
 LANGUAGE=ru_UA:ru
 PATH=(custom, no user)
 LANG=ru_UA.UTF-8
 SHELL=/bin/bash
PythonArgs: ['/usr/bin/software-center-gtk3']
SourcePackage: software-center
Title: software-center-gtk3 crashed with AttributeError in on_window_main_key_press_event(): 'AvailablePane' object has no attribute 'navigation_bar'
Traceback:
 Traceback (most recent call last):
   File "/usr/share/software-center/softwarecenter/ui/gtk3/app.py", line 469, in on_window_main_key_press_event
     not self.active_pane.navigation_bar.has_id(NavButtons.ID_PURCHASE)):
 AttributeError: 'AvailablePane' object has no attribute 'navigation_bar'
UpgradeStatus: Upgraded to oneiric on 2011-09-01 (0 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 #837062, 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.