[issue6167] Tkinter.Scrollbar: the activate method needs to return a value, and set should take only two args

[Ezio Melotti]

Changes by Ezio Melotti <ezio.melotti at gmail.com>:


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nosy:  -BreamoreBoy
versions: +Python 3.3 -Python 3.1

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue6167>
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