[docs] [issue17529] fix os.sendfile() documentation regarding the type of file descriptor

[Charles-François Natali]

Changes by Charles-François Natali <cf.natali at gmail.com>:


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title: fix os.senfile() documentation regarding the type of file descriptor -> fix os.sendfile() documentation regarding the type of file descriptor

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue17529>
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