[issue22637] avoid using a shell in uuid: replce os.popen with subprocess.Popen

[Roundup Robot]

Roundup Robot added the comment:

New changeset 8ee63d0bd7b8 by Victor Stinner in branch 'default':
Issue #22637: avoid using a shell in uuid
https://hg.python.org/cpython/rev/8ee63d0bd7b8

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nosy: +python-dev

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<http://bugs.python.org/issue22637>
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