jockey-gtk crashed with SystemError in markInstall()

[cRoW2k]

Intrepid Ibex -current
jockey-gtk:
  Installato: 0.5~beta1-0ubuntu1

I'm trying to install ati closed driver and when it tries to download the packages, bug appears.

ProblemType: Crash
Architecture: i386
DistroRelease: Ubuntu 8.10
ExecutablePath: /usr/bin/jockey-gtk
InterpreterPath: /usr/bin/python2.5
Package: jockey-gtk 0.5~beta1-0ubuntu1
PackageArchitecture: all
ProcCmdline: /usr/bin/python /usr/bin/jockey-gtk
ProcEnviron:
 PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games
 LANG=it_IT.UTF-8
 SHELL=/bin/bash
PythonArgs: ['/usr/bin/jockey-gtk']
SourcePackage: jockey
Title: jockey-gtk crashed with SystemError in markInstall()
Uname: Linux 2.6.27-4-generic i686
UserGroups: adm admin audio cdrom dialout dip floppy lpadmin netdev plugdev powerdev sambashare scanner video