Crash reported when selecting "All" category in gnome-app-install

[Nerijus Arlauskas]

Binary package hint: gnome-app-install

Description: Ubuntu jaunty (development branch)
Release: 9.04

gnome-app-install 0.5.22-0ubuntu1

Steps to reproduce:
1. Select ~15-20 packages in different categories
2. Change to category "All"
3. If it does not crash, repeat from 1

What was expected to happen: category should have changed.
What happened instead:

Message "Sorry, the program "gnome-app-install" closed unexpectedly" appeared. Program continues to work, but it is impossible to select "All" anymore.

ProblemType: Crash
Architecture: amd64
DistroRelease: Ubuntu 9.04
ExecutablePath: /usr/bin/gnome-app-install
InterpreterPath: /usr/bin/python2.6
NonfreeKernelModules: nvidia
Package: gnome-app-install 0.5.22-0ubuntu1
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 TypeError in on_treeview_categories_cursor_changed()
Traceback:
 Traceback (most recent call last):
   File "/usr/lib/python2.6/dist-packages/AppInstall/AppInstall.py", line 1286, in on_treeview_categories_cursor_changed
     item.applications.set_sort_column_id(sort_column, sort_type)
 TypeError: an integer is required
Uname: Linux 2.6.28-9-generic x86_64
UserGroups: adm admin audio cdrom dialout dip fuse lpadmin netdev plugdev sambashare tape video