Error when opening Preferences dialog

Version: gtg 0.3.r1332~ubuntu12.04.1
OS: Ubuntu 12.04.1
DE: KDE 4.12
I get this error when simply open Preferences dialog.
Previous version worked properly.

Traceback (most recent call last):
  File "/usr/share/gtg/GTG/gtk/browser/browser.py", line 416, in open_preferences
    self.vmanager.open_preferences(self.config)
  File "/usr/share/gtg/GTG/gtk/manager.py", line 239, in open_preferences
    self.preferences.activate()
  File "/usr/share/gtg/GTG/gtk/preferences.py", line 144, in activate
    self._refresh_preferences_store()
  File "/usr/share/gtg/GTG/gtk/preferences.py", line 129, in _refresh_preferences_store
    self.shortcut.refresh_accel()
  File "/usr/share/gtg/GTG/gtk/preferences.py", line 214, in refresh_accel
    self.new_task_binding = get_saved_binding()
  File "/usr/share/gtg/GTG/tools/shortcut.py", line 50, in get_saved_binding
    list_keys = call_subprocess(CHECK_VERSION).splitlines()
  File "/usr/share/gtg/GTG/tools/shortcut.py", line 160, in call_subprocess
    out = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
  File "/usr/lib/python2.7/subprocess.py", line 679, in __init__
    errread, errwrite)
  File "/usr/lib/python2.7/subprocess.py", line 1249, in _execute_child
    raise child_exception
OSError: [Errno 2] Нет такого файла или каталога