[issue31804] multiprocessing calls flush on sys.stdout at exit even if it is None (pythonw)

[miss-islington]

Change by miss-islington <mariatta.wijaya+miss-islington at gmail.com>:


----------
pull_requests: +5841

_______________________________________
Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue31804>
_______________________________________