I know there is a bunch of usage of subprocess in openstack and
especially since there is heavy usage of python 2.7 it made me wonder if
we should try to move to subprocess32 to avoid some of the bugs that
seem to exist (maybe distributors backported them?):
For example a major one (seems to be):
"""Popen.wait() is now thread safe so that multiple
threads may be calling wait() or poll() on a Popen instance at the
without losing the Popen.returncode value.
That one concerns me slightly, because I know that certain openstack
projects do use threads (and not eventlet monkey-patched green-thread
TLDR; should we (could we?) switch?
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