software-center crashed with TypeError in is_action_in_progress_for_selected_app()

[gokiburijin]

Binary package hint: software-center

Description: Ubuntu lucid (development branch)
Release: 10.04

synaptic 0.62.5

software manager just quits with error report following.

ProblemType: Crash
DistroRelease: Ubuntu 10.04
Package: software-center 1.1.24
ProcVersionSignature: Ubuntu 2.6.32-19.28-generic 2.6.32.10+drm33.1
Uname: Linux 2.6.32-19-generic x86_64
NonfreeKernelModules: nvidia
Architecture: amd64
Date: Fri Apr 9 22:11:59 2010
ExecutablePath: /usr/share/software-center/software-center
InstallationMedia: Ubuntu 9.10 "Karmic Koala" - Release amd64 (20091027)
InterpreterPath: /usr/bin/python2.6
PackageArchitecture: all
ProcCmdline: /usr/bin/python /usr/bin/software-center
ProcEnviron:
 LANG=en_US.utf8
 SHELL=/bin/bash
PythonArgs: ['/usr/bin/software-center']
SourcePackage: software-center
Title: software-center crashed with TypeError in is_action_in_progress_for_selected_app()
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 #558895, 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.