[docs] [issue15231] update PyPI upload doc to say --no-raw passed to rst2html.py

[Eli Bendersky]

Eli Bendersky <eliben at gmail.com> added the comment:

The patch looks reasonable to me. Martin/Éric - any objections to committing?

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nosy: +eli.bendersky

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue15231>
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