[docs] [issue18553] os.isatty() is not Unix only

[Senthil Kumaran]

Senthil Kumaran added the comment:

Fixed now. Ascertained myself by doing hg diff -r tip^ -U 10 on local commits before pushing. :-)

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status: open -> closed

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue18553>
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