test_asyncio.test_unix_events leaked "pymp-xk9bwcca" temporary file on ARM Raspbian 3.x

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"pymp" files are created by the multiprocessing module.

ARM Raspbian 3.x:

0:35:39 load avg: 6.50 [350/467/1] test.test_asyncio.test_unix_events failed (env changed) -- running (2): test.test_concurrent_futures.test_wait (40.9 sec), test_peg_generator (1 min 54 sec)

Warning -- test.test_asyncio.test_unix_events leaked temporary files (1): pymp-xk9bwcca

build: https://buildbot.python.org/all/#/builders/424/builds/5093

Linked PRs

• gh-110335: asyncio test_unix_events cleans multiprocessing #110336
• [3.12] gh-110335: asyncio test_unix_events cleans multiprocessing (GH-110336) #110338

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Oh. I reopen my issue since apparently, the issue is not fixed on ARM Raspbian 3.12: at commit 4a87f927245a5eb4f007d9ba6cb0fbc96292e3a6, the test still failed:

0:16:16 load avg: 3.58 [243/487/1] test.test_asyncio.test_unix_events failed (env changed)

Warning -- test.test_asyncio.test_unix_events leaked temporary files (1): pymp-f5bf39db

build: https://buildbot.python.org/all/#/builders/1138/builds/300