New submission from Mark Summerfield:
In message
http://bugs.python.org/issue17914#msg188626
Victor Stenner says
On Windows, GetSystemInfo() is called instead of reading an environment
variable. I suppose that this function is more reliable.
From my reading, and based on feedback from one of
STINNER Victor added the comment:
The code getting the number of processors on Windows is different between the
multiprocessing (Python 3.3) and os (Python 3.5) modules.
multiprocessing (old code):
try:
num = int(os.environ['NUMBER_OF_PROCESSORS'])
except
