Gregory P. Smith 64abf37344 bpo-42388: Fix subprocess.check_output input=None when text=True (GH-23467) ...

When the modern text= spelling of the universal_newlines= parameter was added
for Python 3.7, check_output's special case around input=None was overlooked.
So it behaved differently with universal_newlines=True vs text=True.  This
reconciles the behavior to be consistent and adds a test to guarantee it.

Also clarifies the existing check_output documentation.

Co-authored-by: Alexey Izbyshev <izbyshev@ispras.ru>

2020-12-24 20:57:21 -08:00

82 KiB

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