[docs] [issue29520] Documentation uses deprecated "defindex.html" Sphinx template

[INADA Naoki]

Changes by INADA Naoki <songofacandy at gmail.com>:


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resolution:  -> fixed
stage: patch review -> resolved
status: open -> closed

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue29520>
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