[issue33929] test_multiprocessing_spawn leaks 5 handles

[STINNER Victor]

New submission from STINNER Victor <vstinner at redhat.com>:

The following test leaks 5 open handles when checking for leaks using my PR 7827:

test.test_multiprocessing_spawn.WithProcessesTestProcess.test_many_processes

Command to reproduce the leak (using my PR 7827):

python -m test -R 3:3 test_multiprocessing_spawn -m test.test_multiprocessing_spawn.WithProcessesTestProcess.test_many_processes

----------
components: Library (Lib)
messages: 320160
nosy: vstinner
priority: normal
severity: normal
status: open
title: test_multiprocessing_spawn leaks 5 handles
versions: Python 3.8

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue33929>
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