software-center crashed with AttributeError in _on_transaction_finished()

[Laci]

Binary package hint: software-center

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ProblemType: Crash
DistroRelease: Ubuntu 10.10
Package: software-center 2.1.18.1
ProcVersionSignature: Ubuntu 2.6.35-20.29-generic 2.6.35.4
Uname: Linux 2.6.35-20-generic i686
NonfreeKernelModules: nvidia
Architecture: i386
CheckboxSubmission: 4dbc2b4e1ba86ad238093bec962e2bbd
CheckboxSystem: 019050e76a26398e0636c9b4b1fcbd8a
Date: Mon Sep 13 23:22:37 2010
ExecutablePath: /usr/share/software-center/software-center
InterpreterPath: /usr/bin/python2.6
PackageArchitecture: all
ProcCmdline: /usr/bin/python /usr/bin/software-center apt:gens-gs?refresh=yes
ProcEnviron:
 LANGUAGE=hu_HU:hu:en_GB:en
 PATH=(custom, no user)
 LANG=hu_HU.UTF-8
 SHELL=/bin/bash
PythonArgs: ['/usr/bin/software-center', 'apt:gens-gs?refresh=yes']
SourcePackage: software-center
Title: software-center crashed with AttributeError in _on_transaction_finished()
Traceback:
 Traceback (most recent call last):
   File "/usr/share/software-center/softwarecenter/view/appview.py", line 1568, in _on_transaction_finished
     db = self.get_model().db
 AttributeError: 'NoneType' object has no attribute 'db'
UserGroups: adm admin audio cdrom dialout dip floppy fuse lpadmin plugdev sambashare 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 #631132, 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.