[docs] [issue12706] timeout sentinel in ftplib and poplib documentation

[Senthil Kumaran]

Changes by Senthil Kumaran <senthil at uthcode.com>:


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title: timeout sentinel in ftplib and poplib -> timeout sentinel in ftplib and poplib documentation

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue12706>
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