[issue24033] Update _test_multiprocessing.py to use script helpers

[Christie]

Christie added the comment:

Now using existing function spawn_python instead of creating a new function.

----------
Added file: http://bugs.python.org/file39710/issue24033_multi.patch

_______________________________________
Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue24033>
_______________________________________