あ、ちなみに Win98SE です。(Python2.2.2)

書き込みボタンを押したときはこんなエラーが出てました。

Exception in Tkinter callback
Traceback (most recent call last):
File "C:\PYTHON22JP\lib\lib-tk\Tkinter.py", line 1300, in __call__
return apply(self.func, args)
File "C:\TMP\kittywalk-20030316\threadpane.py", line 102, in post
thread = self.get_active_thread()
File "C:\TMP\kittywalk-20030316\threadpane.py", line 97, in get_active_thread
return self.notebook.page(name).get_thread()
AttributeError: Frame instance has no attribute 'get_thread'