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GeezerVison is showing github.com — gh-155063: Upgrade bundled pip to 26.2 by ichard26 · Pull Request #155064 · python/cpython

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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).

  • Issue: Update bundled pip to 26.2 #155063
  • Related issue: Release 26.2 (July 2026) pypa/pip#14067

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@ichard26
pythongh-155063: Upgrade bundled pip to 26.2
ce456ad
@bedevere-app bedevere-app Bot mentioned this pull request Aug 1, 2026
Update bundled pip to 26.2 #155063
Closed
@hugovk hugovk added needs backport to 3.13 only security fixes needs backport to 3.14 bugs and security fixes needs backport to 3.15 bugs and security fixes labels Aug 2, 2026
hugovk
hugovk approved these changes Aug 2, 2026
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@bedevere-app bedevere-app Bot added the awaiting merge label Aug 2, 2026
@ichard26
ichard26 marked this pull request as ready for review August 3, 2026 18:16
@ichard26
ichard26 requested review from pfmoore and pradyunsg as code owners August 3, 2026 18:16
@bedevere-app bedevere-app Bot added awaiting review and removed awaiting merge labels Aug 3, 2026
@ichard26

ichard26 commented Aug 3, 2026

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No fires reported, so this is good to go 🚦.
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@ichard26 ichard26 mentioned this pull request Aug 3, 2026
Release 26.2 (July 2026) pypa/pip#14067
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pfmoore
pfmoore approved these changes Aug 3, 2026
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@bedevere-app bedevere-app Bot added awaiting merge and removed awaiting review labels Aug 3, 2026
@pfmoore
Merge branch 'main' into pip-26.2
14b2193
@hugovk
hugovk merged commit fd9feab into python:main Aug 3, 2026
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@miss-islington-app

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.
🐍🍒⛏🤖
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@bedevere-app bedevere-app Bot removed the awaiting merge label Aug 3, 2026
@hugovk

hugovk commented Aug 3, 2026

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@bedevere-app

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.
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@bedevere-app bedevere-app Bot removed the needs backport to 3.15 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.
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@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.
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@bedevere-app bedevere-app Bot removed the needs backport to 3.13 only 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 <[email protected]>
Co-authored-by: Paul Moore <[email protected]>
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 <[email protected]>
Co-authored-by: Paul Moore <[email protected]>
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 <[email protected]>
Co-authored-by: Paul Moore <[email protected]>
@bedevere-bot

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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@ichard26
ichard26 deleted the pip-26.2 branch August 4, 2026 23:02
deadlovelll pushed a commit to deadlovelll/cpython that referenced this pull request Aug 5, 2026
@miss-islington @ichard26
@pfmoore @deadlovelll
[3.14] pythongh-155063: Upgrade bundled pip to 26.2 (pythonGH-155064) (…
a2eebfc 
…python#155138)

pythongh-155063: Upgrade bundled pip to 26.2 (pythonGH-155064)
(cherry picked from commit fd9feab)

Co-authored-by: Richard Si <[email protected]>
Co-authored-by: Paul Moore <[email protected]>
mbeijen pushed a commit to mbeijen/cpython that referenced this pull request Aug 14, 2026
@ichard26 @pfmoore @mbeijen
pythongh-155063: Upgrade bundled pip to 26.2 (python#155064)
fc4fd8f 
Co-authored-by: Paul Moore <[email protected]>
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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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4 participants

@ichard26 @hugovk @bedevere-bot @pfmoore
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