gnome-app-install crashed with TypeError in on_treeview_categories_cursor_changed()

[salvam]

Binary package hint: gnome-app-install

:)

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 0.5.21-0ubuntu1
PackageArchitecture: all
ProcCmdline: /usr/bin/python /usr/bin/gnome-app-install
ProcEnviron:
 LANG=it_IT.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 2.6.28-11-generic x86_64
UserGroups: adm admin audio cdrom dialout dip floppy fuse lpadmin plugdev video