[docs] [issue22155] Out of date code example for tkinter's createfilehandler

[Terry J. Reedy]

Terry J. Reedy added the comment:

Martin, thanks for the nice patch.

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assignee: docs at python -> terry.reedy
resolution:  -> fixed
stage: patch review -> resolved
status: open -> closed
type:  -> behavior

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue22155>
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