Traceback (most recent call last):
  File "/usr/local/lib/python2.4/site-packages/pgm/timing/controller.py", line 226, in _update
    self.stop()
  File "/usr/local/lib/python2.4/site-packages/pgm/timing/controller.py", line 202, in stop
    self._end_callback(self)
  File "/home/haiku/fluendo/Elisa/elisa/core/widgets/widget_level.py", line 250, in _anim_end
    self.anim_end(self._anim_in_progress)
  File "/home/haiku/fluendo/Elisa/elisa/core/plugins/skins/default/cached_widget_level.py", line 216, in anim_end
    w_item.show_arrow()
  File "/home/haiku/fluendo/Elisa/elisa/core/widgets/widget_item.py", line 139, in show_arrow
    label_height = self._label.height
AttributeError: 'NoneType' object has no attribute 'height'