Message12496

Got distracted after posting that comment. Confirm CPython is the same

C:\Users\Adam\jython\jython4>python
Python 3.5.2 (v3.5.2:4def2a2901a5, Jun 25 2016, 22:18:55) [MSC v.1900 64 bit (AMD64)] on win32
Type "help", "copyright", "credits" or "license" for more information.
>>> import subprocess
>>> subprocess.call(['dir'])
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "C:\Users\Adam\AppData\Local\Programs\Python\Python35\lib\subprocess.py", line 557, in call
    with Popen(*popenargs, **kwargs) as p:
  File "C:\Users\Adam\AppData\Local\Programs\Python\Python35\lib\subprocess.py", line 947, in __init__
    restore_signals, start_new_session)
  File "C:\Users\Adam\AppData\Local\Programs\Python\Python35\lib\subprocess.py", line 1224, in _execute_child
    startupinfo)
FileNotFoundError: [WinError 2] The system cannot find the file specified
>>> subprocess.call(['cmd','/c','dir'])
 Volume in drive C is OS
 Volume Serial Number is E447-FAFD

 Directory of C:\Users\Adam\jython\jython4

06/05/2019  09:27 PM    <DIR>          .
06/05/2019  09:27 PM    <DIR>          ..
08/01/2019  05:23 PM               394 .gitignore
08/01/2019  05:23 PM               349 .hgignore
08/01/2019  05:23 PM             5,584 .hgtags