[issue38546] test_concurrent_futures: reap_children() warnings on RHEL7 and RHEL8 buildbots

[STINNER Victor]

STINNER Victor <vstinner at python.org> added the comment:

I can reproduce the issue with the following match file:

test.test_concurrent_futures.ProcessPoolSpawnProcessPoolExecutorTest.test_no_stale_references
test.test_concurrent_futures.ProcessPoolSpawnProcessPoolExecutorTest.test_ressources_gced_in_workers
test.test_concurrent_futures.ProcessPoolSpawnProcessPoolExecutorTest.test_shutdown_race_issue12456

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue38546>
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