gnome-codec-install crashed with RuntimeError in _canceled()

Binary package hint: gnome-codec-install

1)Version of Ubuntu:
Description: Ubuntu jaunty (development branch)
Release: 9.04
2)Version of the crashed program:
gnome-codec-install:
  Installato: 0.3.2
  Candidato: 0.3.2
  Tabella versione:
 *** 0.3.2 0
        500 http://it.archive.ubuntu.com jaunty/main Packages
        100 /var/lib/dpkg/status
3) What you expected to happen
I was installing mp3s codec
4) What happened instead
It search then codec, but it doing nothing and it was crashed...

ProblemType: Crash
Architecture: i386
DistroRelease: Ubuntu 9.04
ExecutablePath: /usr/bin/gnome-codec-install
InterpreterPath: /usr/bin/python2.6
Package: gnome-codec-install 0.3.2
PackageArchitecture: all
ProcCmdline: /usr/bin/python /usr/bin/gstreamer-codec-install --transient-for=60817411 gstreamer|0.10|totem|Decoder\ MPEG-1\ Layer\ 3\ (MP3)|decoder-audio/mpeg,\ mpegversion=(int)1,\ layer=(int)3
ProcEnviron:
 LANG=it_IT.UTF-8
 SHELL=/bin/bash
PythonArgs: ['/usr/bin/gstreamer-codec-install', '--transient-for=60817411', 'gstreamer|0.10|totem|Decoder MPEG-1 Layer 3 (MP3)|decoder-audio/mpeg, mpegversion=(int)1, layer=(int)3']
SourcePackage: gnome-codec-install
Title: gnome-codec-install crashed with RuntimeError in _canceled()
Traceback:
 Traceback (most recent call last):
   File "/usr/lib/python2.6/dist-packages/GnomeCodecInstall/MainWindow.py", line 327, in _canceled
     gtk.main_quit()
 RuntimeError: called outside of a mainloop
Uname: Linux 2.6.28-9-generic i686
UserGroups: adm admin audio cdrom dialout dip fax fuse lpadmin netdev plugdev sambashare tape vboxusers video