[apport] ontv crashed with IndexError in __location_combobox_changed()

Binary package hint: ontv

and this one after manually run of
# tv_grab_fr --configure

Selecting channels was OK but hang after I tried to right click the ontv icon.

ProblemType: Crash
Date: Wed Feb 14 22:28:55 2007
DistroRelease: Ubuntu 7.04
ExecutablePath: /usr/lib/ontv/ontv
InterpreterPath: /usr/bin/python2.5
Package: ontv 2.4.0-0ubuntu1
ProcCmdline: python /usr/lib/ontv/ontv --oaf-activate-iid=OAFIID:GNOME_OnTVApplet_Factory --oaf-ior-fd=23
ProcCwd: /
ProcEnviron:
 LANG=fr_FR.UTF-8
 LANGUAGE=fr_FR:fr:en_GB:en
 PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games
 SHELL=/bin/bash
PythonArgs: ['/usr/lib/ontv/ontv', '--oaf-activate-iid=OAFIID:GNOME_OnTVApplet_Factory', '--oaf-ior-fd=23']
SourcePackage: ontv
Traceback:
 Traceback (most recent call last):
   File "/usr/lib/python2.5/site-packages/ontv/PreferencesDialog.py", line 455, in __location_combobox_changed
     self.config.configured_grabbers[0])
 IndexError: list index out of range
Uname: Linux c400 2.6.20-8-generic #2 SMP Tue Feb 13 05:18:42 UTC 2007 i686 GNU/Linux