[issue30703] test_multiprocessing_forkserver hangs on x86-64 Sierra 3.x. buildbot

[STINNER Victor]

Changes by STINNER Victor <victor.stinner at gmail.com>:


----------
components: +macOS
nosy: +ned.deily, ronaldoussoren

_______________________________________
Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue30703>
_______________________________________