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gh-155063: Upgrade bundled pip to 26.2 - #155064

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hugovk merged 2 commits into
python:mainfrom
ichard26:pip-26.2
Aug 3, 2026
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gh-155063: Upgrade bundled pip to 26.2#155064
hugovk merged 2 commits into
python:mainfrom
ichard26:pip-26.2

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@ichard26

@ichard26 ichard26 commented Aug 1, 2026 •
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I'll leave this as draft until Monday morning to see if we get any regressions reported. We've had zero so far since cutting the release on Wednesday--other than breaking pip-tools because they import our internal API--but I'm surprised it's been so quiet (famous last words).

@bedevere-app bedevere-app Bot mentioned this pull request Aug 1, 2026
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@hugovk hugovk added needs backport to 3.13 bugs and security fixes needs backport to 3.14 bugs and security fixes needs backport to 3.15 pre-release feature fixes, bugs and security fixes labels Aug 2, 2026
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ichard26 marked this pull request as ready for review August 3, 2026 18:16
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ichard26 commented Aug 3, 2026

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No fires reported, so this is good to go 🚦.

@ichard26 ichard26 mentioned this pull request Aug 3, 2026
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@hugovk
hugovk merged commit fd9feab into python:main Aug 3, 2026
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miss-islington-app Bot commented Aug 3, 2026

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Thanks @ichard26 for the PR, and @hugovk for merging it 🌮🎉.. I'm working now to backport this PR to: 3.13, 3.14, 3.15.
🐍🍒⛏🤖

@hugovk

hugovk commented Aug 3, 2026

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Thank you!

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bedevere-app Bot commented Aug 3, 2026

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GH-155137 is a backport of this pull request to the 3.15 branch.

@bedevere-app bedevere-app Bot removed the needs backport to 3.15 pre-release feature fixes, bugs and security fixes label Aug 3, 2026
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bedevere-app Bot commented Aug 3, 2026

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GH-155138 is a backport of this pull request to the 3.14 branch.

@bedevere-app bedevere-app Bot removed the needs backport to 3.14 bugs and security fixes label Aug 3, 2026
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bedevere-app Bot commented Aug 3, 2026

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GH-155139 is a backport of this pull request to the 3.13 branch.

@bedevere-app bedevere-app Bot removed the needs backport to 3.13 bugs and security fixes label Aug 3, 2026
hugovk pushed a commit that referenced this pull request Aug 3, 2026
@miss-islington @ichard26 @pfmoore
[3.13] gh-155063: Upgrade bundled pip to 26.2 (GH-155064) (#155139)
8e39962 
gh-155063: Upgrade bundled pip to 26.2 (GH-155064)
(cherry picked from commit fd9feab)

Co-authored-by: Richard Si <sichard26@gmail.com>
Co-authored-by: Paul Moore <p.f.moore@gmail.com>
hugovk pushed a commit that referenced this pull request Aug 3, 2026
@miss-islington @ichard26 @pfmoore
[3.15] gh-155063: Upgrade bundled pip to 26.2 (GH-155064) (#155137)
b62b338 
gh-155063: Upgrade bundled pip to 26.2 (GH-155064)
(cherry picked from commit fd9feab)

Co-authored-by: Richard Si <sichard26@gmail.com>
Co-authored-by: Paul Moore <p.f.moore@gmail.com>
hugovk pushed a commit that referenced this pull request Aug 3, 2026
@miss-islington @ichard26 @pfmoore
[3.14] gh-155063: Upgrade bundled pip to 26.2 (GH-155064) (#155138)
1f574b1 
gh-155063: Upgrade bundled pip to 26.2 (GH-155064)
(cherry picked from commit fd9feab)

Co-authored-by: Richard Si <sichard26@gmail.com>
Co-authored-by: Paul Moore <p.f.moore@gmail.com>
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bedevere-bot commented Aug 3, 2026

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⚠️⚠️⚠️ Buildbot failure ⚠️⚠️⚠️

Hi! The buildbot AMD64 Arch Linux Asan 3.13 (tierless) has failed when building commit 8e39962.

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/#/builders/1464/builds/1165) and take a look at the build logs.
  4. Check if the failure is related to this commit (8e39962) 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/1464/builds/1165

Failed tests:

  • test_io

Failed subtests:

  • test_daemon_threads_shutdown_stdout_deadlock - test.test_io.CMiscIOTest.test_daemon_threads_shutdown_stdout_deadlock
  • test_daemon_threads_shutdown_stderr_deadlock - test.test_io.CMiscIOTest.test_daemon_threads_shutdown_stderr_deadlock

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

==

Click to see traceback logs 
Traceback (most recent call last):
  File "/buildbot/buildarea/3.13.pablogsal-arch-x86_64.asan/build/Lib/test/test_io.py", line 4755, in test_daemon_threads_shutdown_stderr_deadlock
    self.check_daemon_threads_shutdown_deadlock('stderr')
    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^
  File "/buildbot/buildarea/3.13.pablogsal-arch-x86_64.asan/build/Lib/test/test_io.py", line 4745, in check_daemon_threads_shutdown_deadlock
    self.assertFalse(err.strip('.!'))
    ~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^
AssertionError: '=================================================================\n==4099995==ERROR: AddressSanitizer: heap-use-after-free on address 0x7c4125052898 at pc 0x558da8e19886 bp 0x7b1122dfe080 sp 0x7b1122dfe070\nREAD of size 8 at 0x7c4125052898 thread T1\n' is not false


Traceback (most recent call last):
  File "/buildbot/buildarea/3.13.pablogsal-arch-x86_64.asan/build/Lib/test/test_io.py", line 4750, in test_daemon_threads_shutdown_stdout_deadlock
    self.check_daemon_threads_shutdown_deadlock('stdout')
    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^
  File "/buildbot/buildarea/3.13.pablogsal-arch-x86_64.asan/build/Lib/test/test_io.py", line 4745, in check_daemon_threads_shutdown_deadlock
    self.assertFalse(err.strip('.!'))
    ~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^
AssertionError: '=================================================================\n==4111741==ERROR: AddressSanitizer: heap-use-after-free on address 0x7c4e47e52898 at pc 0x5590f2461886 bp 0x7b1e45bfe080 sp 0x7b1e45bfe070\nREAD of size 8 at 0x7c4e47e52898 thread T1\n' is not false


Traceback (most recent call last):
  File "/buildbot/buildarea/3.13.pablogsal-arch-x86_64.asan/build/Lib/test/test_io.py", line 4755, in test_daemon_threads_shutdown_stderr_deadlock
    self.check_daemon_threads_shutdown_deadlock('stderr')
    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^
  File "/buildbot/buildarea/3.13.pablogsal-arch-x86_64.asan/build/Lib/test/test_io.py", line 4745, in check_daemon_threads_shutdown_deadlock
    self.assertFalse(err.strip('.!'))
    ~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^
AssertionError: '=================================================================\n==4111739==ERROR: AddressSanitizer: heap-use-after-free on address 0x7c42a1052898 at pc 0x55e689a37886 bp 0x7b129edfe080 sp 0x7b129edfe070\nREAD of size 8 at 0x7c42a1052898 thread T1\n' is not false


Traceback (most recent call last):
  File "/buildbot/buildarea/3.13.pablogsal-arch-x86_64.asan/build/Lib/test/test_io.py", line 4750, in test_daemon_threads_shutdown_stdout_deadlock
    self.check_daemon_threads_shutdown_deadlock('stdout')
    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^
  File "/buildbot/buildarea/3.13.pablogsal-arch-x86_64.asan/build/Lib/test/test_io.py", line 4745, in check_daemon_threads_shutdown_deadlock
    self.assertFalse(err.strip('.!'))
    ~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^
AssertionError: '=================================================================\n==4100006==ERROR: AddressSanitizer: heap-use-after-free on address 0x7d0b4aa52898 at pc 0x559beab29886 bp 0x7bdb487fe080 sp 0x7bdb487fe070\nREAD of size 8 at 0x7d0b4aa52898 thread T1\n' is not false

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@pfmoore pfmoore pfmoore approved these changes
@hugovk hugovk hugovk approved these changes
@pradyunsg pradyunsg Awaiting requested review from pradyunsg pradyunsg is a code owner

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@ichard26 @hugovk @bedevere-bot @pfmoore