subprocess.check_output(input=None) raises an AttributeError when called with encoding or errors args.
>>> check_output(['ls'], input=None, encoding='utf-8')
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "/Users/ak/opensource/cpython4/Lib/subprocess.py", line 466, in check_output
return run(*popenargs, stdout=PIPE, timeout=timeout, check=True,
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/Users/ak/opensource/cpython4/Lib/subprocess.py", line 549, in run
stdout, stderr = process.communicate(input, timeout=timeout)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/Users/ak/opensource/cpython4/Lib/subprocess.py", line 1206, in communicate
stdout, stderr = self._communicate(input, endtime, timeout)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/Users/ak/opensource/cpython4/Lib/subprocess.py", line 2035, in _communicate
self._save_input(input)
File "/Users/ak/opensource/cpython4/Lib/subprocess.py", line 2115, in _save_input
self._input = self._input.encode(self.stdin.encoding,
^^^^^^^^^^^^^^^^^^
AttributeError: 'bytes' object has no attribute 'encode'. Did you mean: 'decode'?
I will create a PR a bit later today.
Bug report
subprocess.check_output(input=None) raises an AttributeError when called with encoding or errors args.
Example:
Your environment
I will create a PR a bit later today.