gnome-app-install crashed with ValueError in _refilter()

[Audioslave]

Binary package hint: gnome-app-install

Ubuntu 9.04

Selected multiple applications from the add/remove>Accessories. When moved to the Education tab, the error appeared. The error was dismissible and I could return to select more packaged. When selecting Apply, the packages could not been fetched.

ProblemType: Crash
Architecture: i386
DistroRelease: Ubuntu 9.04
ExecutablePath: /usr/bin/gnome-app-install
InterpreterPath: /usr/bin/python2.6
NonfreeKernelModules: nvidia
Package: gnome-app-install 0.5.24-0ubuntu1
PackageArchitecture: all
ProcCmdline: /usr/bin/python /usr/bin/gnome-app-install
ProcEnviron:
 LANG=en_US.UTF-8
 SHELL=/bin/bash
PythonArgs: ['/usr/bin/gnome-app-install']
SourcePackage: gnome-app-install
Title: gnome-app-install crashed with ValueError in _refilter()
Uname: Linux 2.6.28-11-generic i686
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare