[issue33164] Blake 2 module update

[Inada Naoki]

New submission from Inada Naoki <songofacandy at gmail.com>:


New changeset 51aa35e9e17eef60d04add9619fe2a7eb938358c by Inada Naoki (David Carlier) in branch 'master':
bpo-33164: update blake2 implementation (GH-6286)
https://github.com/python/cpython/commit/51aa35e9e17eef60d04add9619fe2a7eb938358c


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nosy: +inada.naoki

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue33164>
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