cc@devdanzin@ambv@pablogsal

Thanks@vstinner for the PR 🌮🎉.. I'm working now to backport this PR to: 3.13.
🐍🍒⛏🤖

Sorry,@vstinner, I could not cleanly backport this to3.13 due to a conflict.
Please backport usingcherry_picker on command line.

cherry_picker 3c7a90a83146dc6e55f6f9ecd9af0bf9682f98a6 3.13

GH-127289 is a backport of this pull request to the3.13 branch.

Merged, thanks for the review@ambv.

⚠️⚠️⚠️ Buildbot failure⚠️⚠️⚠️

Hi! The buildbotx86-64 MacOS Intel NoGIL 3.13 has failed when building commita5741d6.

What do you need to do:

1. Don't panic.
2. Checkthe buildbot page in the devguide if you don't know what the buildbots are or how they work.
3. Go to the page of the buildbot that failed (https://buildbot.python.org/#/builders/1449/builds/713) and take a look at the build logs.
4. Check if the failure is related to this commit (a5741d6) or if it is a false positive.
5. If the failure is related to this commit, please, reflect that on the issue and make a new Pull Request with a fix.

You can take a look at the buildbot page here:

https://buildbot.python.org/#/builders/1449/builds/713

Failed tests:

• test_threading

Failed subtests:

• test_start_new_thread_failed - test.test_threading.ThreadTests.test_start_new_thread_failed

Summary of the results of the build (if available):

==

Traceback (most recent call last):  File"/Users/ec2-user/buildbot/buildarea/3.13.itamaro-macos-intel-aws.nogil/build/Lib/test/test_threading.py", line1205, intest_start_new_thread_failedself.assertEqual(out,b'ok')~~~~~~~~~~~~~~~~^^^^^^^^^^^^AssertionError:b"skip\nshouldn't be printed" != b'ok'

test_start_new_thread_failed - test.test_threading.ThreadTests.test_start_new_thread_failed

#109761 (comment)