[issue34488] improve performance of BytesIO.writelines() by avoiding creation of unused PyLongs

[Inada Naoki]

Inada Naoki <songofacandy at gmail.com> added the comment:

Hm, what happened if subclass of BytesIO overrides `write` but not `writelines`?

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nosy: +inada.naoki

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue34488>
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