gnome-language-selector crashed with TypeError in on_treeview_languages_row_activated(): 'TreePath' object does not support indexing

Binary package hint: language-selector

Test Case:
- Launch from the console:
  $ gnome-language-selector
- Click on 'Install / Remove Languages ...'
- In the window 'Installed Languages' double-click on a row in the tree_view. The application doesn't close but the following error is displayed on the console:

Traceback (most recent call last):
  File "/usr/lib/python2.7/dist-packages/LanguageSelector/gtk/GtkLanguageSelector.py", line 941, in on_treeview_languages_row_activated
    self.on_toggled(None,str(path[0]))
TypeError: 'TreePath' object does not support indexing

ProblemType: Crash
DistroRelease: Ubuntu 11.04
Package: language-selector 0.11
ProcVersionSignature: Ubuntu 2.6.37-12.26-generic 2.6.37
Uname: Linux 2.6.37-12-generic i686
Architecture: i386
Date: Fri Jan 14 16:05:15 2011
EcryptfsInUse: Yes
ExecutablePath: /usr/bin/gnome-language-selector
InterpreterPath: /usr/bin/python2.7
PackageArchitecture: all
ProcCmdline: /usr/bin/python /usr/bin/gnome-language-selector
ProcEnviron:
 SHELL=/bin/bash
 PATH=(custom, user)
 LC_MESSAGES=en_US.utf8
 LANG=en_US.utf8
 LANGUAGE=en_US:en
PythonArgs: ['/usr/bin/gnome-language-selector']
SourcePackage: language-selector
Title: gnome-language-selector crashed with TypeError in on_treeview_languages_row_activated(): 'TreePath' object does not support indexing
Traceback:
 Traceback (most recent call last):
   File "/usr/lib/python2.7/dist-packages/LanguageSelector/gtk/GtkLanguageSelector.py", line 941, in on_treeview_languages_row_activated
     self.on_toggled(None,str(path[0]))
 TypeError: 'TreePath' object does not support indexing
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