[issue31471] assertion failure in subprocess.Popen() in case the env arg has a bad keys() method

[Serhiy Storchaka]

Serhiy Storchaka added the comment:


New changeset f135f62cfd1529cbb9326e53728a22afd05b6bc3 by Serhiy Storchaka (Miss Islington (bot)) in branch '3.6':
[3.6] bpo-31471: Fix assertion failure in subprocess.Popen() on Windows, in case env has a bad keys() method. (GH-3580) (#3584)
https://github.com/python/cpython/commit/f135f62cfd1529cbb9326e53728a22afd05b6bc3


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<https://bugs.python.org/issue31471>
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