Karthikeyan Singaravelan <tir.kar...@gmail.com> added the comment:
Are you using something like below? This exception was added with
ce0f33d04528fcafc673a8707871f8430d8f7ce8 (issue32102)
>>> subprocess.run('ls', stdout=subprocess.PIPE, capture_output=True)
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "/Users/karthikeyansingaravelan/stuff/python/cpython/Lib/subprocess.py",
line 469, in run
raise ValueError('stdout and stderr arguments may not be used '
ValueError: stdout and stderr arguments may not be used with capture_output.
There is a note on the docs and a discussion on the issue that capture_output
and stdout/stderr cannot be used at the same time.
https://docs.python.org/3/library/subprocess.html#subprocess.run
> If capture_output is true, stdout and stderr will be captured. When used, the
> internal Popen object is automatically created with stdout=PIPE and
> stderr=PIPE. The stdout and stderr arguments may not be supplied at the same
> time as capture_output.
----------
nosy: +gregory.p.smith, xtreak
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<https://bugs.python.org/issue36760>
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