Traceback (most recent call last):
  File "/usr/lib/python2.6/dist-packages/hamster/KeyBinder.py", line 48, in on_keybinding_activated
    runtime.dispatcher.dispatch('keybinding_activated')
  File "/usr/lib/python2.6/dist-packages/hamster/dispatcher.py", line 39, in dispatch
    handler(event, data)
  File "/usr/lib/python2.6/dist-packages/hamster/applet.py", line 811, in on_keybinding_activated
    self.__show_toggle(None, not self.button.get_active())
  File "/usr/lib/python2.6/dist-packages/hamster/applet.py", line 622, in __show_toggle
    x, y = self.button.get_pos()
  File "/usr/lib/python2.6/dist-packages/hamster/applet.py", line 135, in get_pos
    return gtk.gdk.Window.get_origin(self.label.window)
TypeError: descriptor 'get_origin' requires a 'gtk.gdk.Window' object but received a 'NoneType'