[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 0b3a87ef54a0112b74e8a1d8c6f87d10db4239ab by Serhiy Storchaka (Oren Milman) in branch 'master':
bpo-31471: Fix assertion failure in subprocess.Popen() on Windows, in case env has a bad keys() method. (#3580)
https://github.com/python/cpython/commit/0b3a87ef54a0112b74e8a1d8c6f87d10db4239ab


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