[issue26507] Use highest pickle protocol in multiprocessing

[Davin Potts]

Davin Potts added the comment:

As described in issue23403, it is possible for independent processes to communicate to one another through multiprocessing.  Thus changing the default triggers complications and is arguably much less interesting than having control over what protocol (or mechanism) is to be used for pickling.

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nosy: +davin

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue26507>
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