GeezerVison

Thanks @ambv for the PR 🌮🎉.. I'm working now to backport this PR to: 3.8, 3.9, 3.10.
🐍🍒⛏🤖

Sorry, @ambv, I could not cleanly backport this to 3.9 due to a conflict.
Please backport using cherry_picker on command line.
cherry_picker d6cb5dd9e19210f5963ff8beadde7ca2fda71574 3.9

Sorry @ambv, I had trouble checking out the 3.8 backport branch.
Please backport using cherry_picker on command line.
cherry_picker d6cb5dd9e19210f5963ff8beadde7ca2fda71574 3.8

GH-28061 is a backport of this pull request to the 3.10 branch.

GH-28062 is a backport of this pull request to the 3.9 branch.

GH-28063 is a backport of this pull request to the 3.8 branch.

⚠️⚠️⚠️ Buildbot failure ⚠️⚠️⚠️

Hi! The buildbot aarch64 RHEL8 3.8 has failed when building commit 8371290.

What do you need to do:

1. Don't panic.
2. Check the 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/all/#builders/113/builds/49) and take a look at the build logs.
4. Check if the failure is related to this commit (8371290) 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/all/#builders/113/builds/49

Failed tests:

• test_readline

Failed subtests:

• test_auto_history_enabled - test.test_readline.TestReadline

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

== Tests result: FAILURE then FAILURE ==

409 tests OK.

10 slowest tests:

• test_concurrent_futures: 2 min 30 sec
• test_multiprocessing_spawn: 1 min 53 sec
• test_multiprocessing_forkserver: 1 min 26 sec
• test_multiprocessing_fork: 1 min 10 sec
• test_asyncio: 58.9 sec
• test_tools: 57.1 sec
• test_tokenize: 53.0 sec
• test_nntplib: 52.8 sec
• test_io: 42.3 sec
• test_lib2to3: 36.7 sec

1 test failed:
test_readline

13 tests skipped:
test_devpoll test_ioctl test_kqueue test_msilib test_ossaudiodev
test_startfile test_tix test_tk test_ttk_guionly test_winconsoleio
test_winreg test_winsound test_zipfile64

1 re-run test:
test_readline

Total duration: 2 min 35 sec

Traceback (most recent call last):
  File "/home/buildbot/buildarea/3.8.cstratak-RHEL8-aarch64/build/Lib/test/test_readline.py", line 150, in test_auto_history_enabled
    self.assertIn(b"History length: 1\r\n", output)
AssertionError: b'History length: 1\r\n' not found in bytearray(b'dummy input\r\ndummy input\r\nHistory length: 1')