$ python2.4 Forgery.py 

(python2.4:11106): Gdk-CRITICAL **: gdk_window_invalidate_rect: assertion `window != NULL' failed
Traceback (most recent call last):
  File "Forgery.py", line 245, in ?
    main()
  File "Forgery.py", line 242, in main
    Forgery(False).MainLoop()
  File "/usr/lib/python2.4/site-packages/wx-2.6-gtk2-unicode/wx/_core.py", line 7700, in __init__
    self._BootstrapApp()
  File "/usr/lib/python2.4/site-packages/wx-2.6-gtk2-unicode/wx/_core.py", line 7352, in _BootstrapApp
    return _core_.PyApp__BootstrapApp(*args, **kwargs)
  File "Forgery.py", line 82, in OnInit
    self.palette.dock(self.createDocument())
  File "Forgery.py", line 123, in createDocument
    document = ForgeryDocument.ForgeryDocument(self, path)
  File "/tmp/Forgery-0.1.0/ForgeryDocument.py", line 398, in __init__
    self.currentMode.activate()
  File "/tmp/Forgery-0.1.0/ForgeryDrawMode.py", line 45, in activate
    super(ForgeryDrawMode, self).activate()
  File "/tmp/Forgery-0.1.0/ForgeryMode.py", line 81, in activate
    self.palette.update()
  File "/tmp/Forgery-0.1.0/ForgeryPalette.py", line 273, in update
    self.updatePosition()
  File "/tmp/Forgery-0.1.0/ForgeryPalette.py", line 121, in updatePosition
    self.dock(mainWindow)
  File "/tmp/Forgery-0.1.0/ForgeryPalette.py", line 196, in dock
    topRight = window.GetRect().GetTopRight()
AttributeError: 'Rect' object has no attribute 'GetTopRight'