René's URL Explorer Experiment


Title: [3.13] gh-125245: Fix race condition when importing `collections.abc` (GH-125415) by miss-islington · Pull Request #125944 · python/cpython · GitHub

Open Graph Title: [3.13] gh-125245: Fix race condition when importing `collections.abc` (GH-125415) by miss-islington · Pull Request #125944 · python/cpython

X Title: [3.13] gh-125245: Fix race condition when importing `collections.abc` (GH-125415) by miss-islington · Pull Request #125944 · python/cpython

Description: If multiple threads concurrently imported collections.abc, some of the threads might incorrectly see the "shim" Lib/collections/abc.py module instead of the correct Lib/_collections_abc.py module. ...

Open Graph Description: If multiple threads concurrently imported collections.abc, some of the threads might incorrectly see the "shim" Lib/collections/abc.py module instead of the correct Lib/_collections_abc.p...

X Description: If multiple threads concurrently imported collections.abc, some of the threads might incorrectly see the "shim" Lib/collections/abc.py module instead of the correct Lib/_collectio...

Mail addresses
colesbury@gmail.com

Opengraph URL: https://github.com/python/cpython/pull/125944

X: @github

direct link

Domain: github.com

route-pattern/_view_fragments/voltron/pull_requests/show/:user_id/:repository/:id/pull_request_layout(.:format)
route-controllervoltron_pull_requests_fragments
route-actionpull_request_layout
fetch-noncev2:763e2e6f-e982-d9a1-ddd2-ed732593118b
current-catalog-service-hashae870bc5e265a340912cde392f23dad3671a0a881730ffdadd82f2f57d81641b
request-idAA4A:1198D4:4FC56:68485:696B5804
html-safe-nonce021dadcbd7b9a7903832b30242d99460a873fc6664670fa49edd96d00dcdfbff
visitor-payloadeyJyZWZlcnJlciI6IiIsInJlcXVlc3RfaWQiOiJBQTRBOjExOThENDo0RkM1Njo2ODQ4NTo2OTZCNTgwNCIsInZpc2l0b3JfaWQiOiI5MTg3MzMzNjg5NTk3MTg4MTAwIiwicmVnaW9uX2VkZ2UiOiJpYWQiLCJyZWdpb25fcmVuZGVyIjoiaWFkIn0=
visitor-hmacffbadac9e65eb12e2df37528b8481712d0194b31fadbd5521300f5a304063765
hovercard-subject-tagpull_request:2144621541
github-keyboard-shortcutsrepository,pull-request-list,pull-request-conversation,pull-request-files-changed,copilot
google-site-verificationApib7-x98H0j5cPqHWwSMm6dNU4GmODRoqxLiDzdx9I
octolytics-urlhttps://collector.github.com/github/collect
analytics-location///voltron/pull_requests_fragments/pull_request_layout
fb:app_id1401488693436528
apple-itunes-appapp-id=1477376905, app-argument=https://github.com/_view_fragments/voltron/pull_requests/show/python/cpython/125944/pull_request_layout
twitter:imagehttps://opengraph.githubassets.com/0a90f271f1f33abde3287561ab2a0ad9313ea4b9a456afe26c319e6262b9ce4c/python/cpython/pull/125944
twitter:cardsummary_large_image
og:imagehttps://opengraph.githubassets.com/0a90f271f1f33abde3287561ab2a0ad9313ea4b9a456afe26c319e6262b9ce4c/python/cpython/pull/125944
og:image:altIf multiple threads concurrently imported collections.abc, some of the threads might incorrectly see the "shim" Lib/collections/abc.py module instead of the correct Lib/_collections_abc.p...
og:image:width1200
og:image:height600
og:site_nameGitHub
og:typeobject
og:author:usernamemiss-islington
hostnamegithub.com
expected-hostnamegithub.com
None5f99f7c1d70f01da5b93e5ca90303359738944d8ab470e396496262c66e60b8d
turbo-cache-controlno-preview
go-importgithub.com/python/cpython git https://github.com/python/cpython.git
octolytics-dimension-user_id1525981
octolytics-dimension-user_loginpython
octolytics-dimension-repository_id81598961
octolytics-dimension-repository_nwopython/cpython
octolytics-dimension-repository_publictrue
octolytics-dimension-repository_is_forkfalse
octolytics-dimension-repository_network_root_id81598961
octolytics-dimension-repository_network_root_nwopython/cpython
turbo-body-classeslogged-out env-production page-responsive
disable-turbofalse
browser-stats-urlhttps://api.github.com/_private/browser/stats
browser-errors-urlhttps://api.github.com/_private/browser/errors
release82560a55c6b2054555076f46e683151ee28a19bc
ui-targetfull
theme-color#1e2327
color-schemelight dark

Links:

Skip to contenthttps://github.com/python/cpython/pull/125944#start-of-content
https://github.com/
Sign in https://github.com/login?return_to=https%3A%2F%2Fgithub.com%2Fpython%2Fcpython%2Fpull%2F125944
GitHub CopilotWrite better code with AIhttps://github.com/features/copilot
GitHub SparkBuild and deploy intelligent appshttps://github.com/features/spark
GitHub ModelsManage and compare promptshttps://github.com/features/models
MCP RegistryNewIntegrate external toolshttps://github.com/mcp
ActionsAutomate any workflowhttps://github.com/features/actions
CodespacesInstant dev environmentshttps://github.com/features/codespaces
IssuesPlan and track workhttps://github.com/features/issues
Code ReviewManage code changeshttps://github.com/features/code-review
GitHub Advanced SecurityFind and fix vulnerabilitieshttps://github.com/security/advanced-security
Code securitySecure your code as you buildhttps://github.com/security/advanced-security/code-security
Secret protectionStop leaks before they starthttps://github.com/security/advanced-security/secret-protection
Why GitHubhttps://github.com/why-github
Documentationhttps://docs.github.com
Bloghttps://github.blog
Changeloghttps://github.blog/changelog
Marketplacehttps://github.com/marketplace
View all featureshttps://github.com/features
Enterpriseshttps://github.com/enterprise
Small and medium teamshttps://github.com/team
Startupshttps://github.com/enterprise/startups
Nonprofitshttps://github.com/solutions/industry/nonprofits
App Modernizationhttps://github.com/solutions/use-case/app-modernization
DevSecOpshttps://github.com/solutions/use-case/devsecops
DevOpshttps://github.com/solutions/use-case/devops
CI/CDhttps://github.com/solutions/use-case/ci-cd
View all use caseshttps://github.com/solutions/use-case
Healthcarehttps://github.com/solutions/industry/healthcare
Financial serviceshttps://github.com/solutions/industry/financial-services
Manufacturinghttps://github.com/solutions/industry/manufacturing
Governmenthttps://github.com/solutions/industry/government
View all industrieshttps://github.com/solutions/industry
View all solutionshttps://github.com/solutions
AIhttps://github.com/resources/articles?topic=ai
Software Developmenthttps://github.com/resources/articles?topic=software-development
DevOpshttps://github.com/resources/articles?topic=devops
Securityhttps://github.com/resources/articles?topic=security
View all topicshttps://github.com/resources/articles
Customer storieshttps://github.com/customer-stories
Events & webinarshttps://github.com/resources/events
Ebooks & reportshttps://github.com/resources/whitepapers
Business insightshttps://github.com/solutions/executive-insights
GitHub Skillshttps://skills.github.com
Documentationhttps://docs.github.com
Customer supporthttps://support.github.com
Community forumhttps://github.com/orgs/community/discussions
Trust centerhttps://github.com/trust-center
Partnershttps://github.com/partners
GitHub SponsorsFund open source developershttps://github.com/sponsors
Security Labhttps://securitylab.github.com
Maintainer Communityhttps://maintainers.github.com
Acceleratorhttps://github.com/accelerator
Archive Programhttps://archiveprogram.github.com
Topicshttps://github.com/topics
Trendinghttps://github.com/trending
Collectionshttps://github.com/collections
Enterprise platformAI-powered developer platformhttps://github.com/enterprise
GitHub Advanced SecurityEnterprise-grade security featureshttps://github.com/security/advanced-security
Copilot for BusinessEnterprise-grade AI featureshttps://github.com/features/copilot/copilot-business
Premium SupportEnterprise-grade 24/7 supporthttps://github.com/premium-support
Pricinghttps://github.com/pricing
Search syntax tipshttps://docs.github.com/search-github/github-code-search/understanding-github-code-search-syntax
documentationhttps://docs.github.com/search-github/github-code-search/understanding-github-code-search-syntax
Sign in https://github.com/login?return_to=https%3A%2F%2Fgithub.com%2Fpython%2Fcpython%2Fpull%2F125944
Sign up https://github.com/signup?ref_cta=Sign+up&ref_loc=header+logged+out&ref_page=%2F%3Cuser-name%3E%2F%3Crepo-name%3E%2Fvoltron%2Fpull_requests_fragments%2Fpull_request_layout&source=header-repo&source_repo=python%2Fcpython
Reloadhttps://github.com/python/cpython/pull/125944
Reloadhttps://github.com/python/cpython/pull/125944
Reloadhttps://github.com/python/cpython/pull/125944
python https://github.com/python
cpythonhttps://github.com/python/cpython
Please reload this pagehttps://github.com/python/cpython/pull/125944
Notifications https://github.com/login?return_to=%2Fpython%2Fcpython
Fork 33.9k https://github.com/login?return_to=%2Fpython%2Fcpython
Star 71.1k https://github.com/login?return_to=%2Fpython%2Fcpython
Code https://github.com/python/cpython
Issues 5k+ https://github.com/python/cpython/issues
Pull requests 2.1k https://github.com/python/cpython/pulls
Actions https://github.com/python/cpython/actions
Projects 31 https://github.com/python/cpython/projects
Security Uh oh! There was an error while loading. Please reload this page. https://github.com/python/cpython/security
Please reload this pagehttps://github.com/python/cpython/pull/125944
Insights https://github.com/python/cpython/pulse
Code https://github.com/python/cpython
Issues https://github.com/python/cpython/issues
Pull requests https://github.com/python/cpython/pulls
Actions https://github.com/python/cpython/actions
Projects https://github.com/python/cpython/projects
Security https://github.com/python/cpython/security
Insights https://github.com/python/cpython/pulse
Sign up for GitHub https://github.com/signup?return_to=%2Fpython%2Fcpython%2Fissues%2Fnew%2Fchoose
terms of servicehttps://docs.github.com/terms
privacy statementhttps://docs.github.com/privacy
Sign inhttps://github.com/login?return_to=%2Fpython%2Fcpython%2Fissues%2Fnew%2Fchoose
Jump to bottomhttps://github.com/python/cpython/pull/125944#issue-comment-box
colesburyhttps://github.com/colesbury
python:3.13https://github.com/python/cpython/tree/3.13
miss-islington:backport-fed501d-3.13https://github.com/miss-islington/cpython/tree/backport-fed501d-3.13
[3.13] gh-125245: Fix race condition when importing collections.abc (GH-125415) https://github.com/python/cpython/pull/125944#top
colesburyhttps://github.com/colesbury
python:3.13https://github.com/python/cpython/tree/3.13
miss-islington:backport-fed501d-3.13https://github.com/miss-islington/cpython/tree/backport-fed501d-3.13
Conversation 0 https://github.com/python/cpython/pull/125944
Commits 1 https://github.com/python/cpython/pull/125944/commits
Checks 0 https://github.com/python/cpython/pull/125944/checks
Files changed https://github.com/python/cpython/pull/125944/files
Please reload this pagehttps://github.com/python/cpython/pull/125944
https://github.co/hiddenchars
https://github.com/python/cpython/pull/{{ revealButtonHref }}
https://github.com/miss-islington
miss-islingtonhttps://github.com/miss-islington
Oct 24, 2024https://github.com/python/cpython/pull/125944#issue-2612654325
Please reload this pagehttps://github.com/python/cpython/pull/125944
fed501dhttps://github.com/python/cpython/commit/fed501d7247053ce46a2ba512bf0e4bb4f483be6
Race condition when importing collections.abc #125245https://github.com/python/cpython/issues/125245
Please reload this pagehttps://github.com/python/cpython/pull/125944
https://github.com/colesbury
https://github.com/miss-islington
pythongh-125245https://github.com/python/cpython/issues/125245
: Fix race condition when importinghttps://github.com/python/cpython/pull/125944/commits/219ce97adbd2457e272196eab489755ded273af7
collections.abchttps://github.com/python/cpython/pull/125944/commits/219ce97adbd2457e272196eab489755ded273af7
(https://github.com/python/cpython/pull/125944/commits/219ce97adbd2457e272196eab489755ded273af7
p…https://github.com/python/cpython/pull/125415
219ce97https://github.com/python/cpython/pull/125944/commits/219ce97adbd2457e272196eab489755ded273af7
…ythonGH-125415https://github.com/python/cpython/pull/125415
fed501dhttps://github.com/miss-islington/cpython/commit/fed501d7247053ce46a2ba512bf0e4bb4f483be6
https://github.com/miss-islington
miss-islingtonhttps://github.com/miss-islington
rhettingerhttps://github.com/rhettinger
code ownerhttps://github.com/python/cpython/blob/92d301eb678427dbb40aef2e0c9c91f75f278413/.github/CODEOWNERS#L195
October 24, 2024 22:12https://github.com/python/cpython/pull/125944#event-14859368269
https://github.com/apps/bedevere-app
bedevere-apphttps://github.com/apps/bedevere-app
Oct 24, 2024 https://github.com/python/cpython/pull/125944#ref-issue-2578303541
Race condition when importing collections.abc #125245 https://github.com/python/cpython/issues/125245
https://github.com/apps/bedevere-app
bedevere-apphttps://github.com/apps/bedevere-app
awaiting review https://github.com/python/cpython/issues?q=state%3Aopen%20label%3A%22awaiting%20review%22
Oct 24, 2024https://github.com/python/cpython/pull/125944#event-14859368961
https://github.com/apps/bedevere-app
bedevere-apphttps://github.com/apps/bedevere-app
Oct 24, 2024 https://github.com/python/cpython/pull/125944#ref-pullrequest-2584250335
gh-125245: Fix race condition when importing collections.abc #125415 https://github.com/python/cpython/pull/125415
https://github.com/colesbury
colesburyhttps://github.com/colesbury
October 24, 2024 22:14https://github.com/python/cpython/pull/125944#event-14859377079
https://github.com/colesbury
colesburyhttps://github.com/colesbury
d46d291https://github.com/python/cpython/commit/d46d291bd390027811937bbf5af2e2600b8398a9
Oct 24, 2024https://github.com/python/cpython/pull/125944#event-14859550919
https://github.com/apps/bedevere-app
bedevere-apphttps://github.com/apps/bedevere-app
awaiting review https://github.com/python/cpython/issues?q=state%3Aopen%20label%3A%22awaiting%20review%22
Oct 24, 2024https://github.com/python/cpython/pull/125944#event-14859551214
https://github.com/miss-islington
miss-islingtonhttps://github.com/miss-islington
January 2, 2026 19:01https://github.com/python/cpython/pull/125944#event-21830893740
Sign up for freehttps://github.com/join?source=comment-repo
Sign in to commenthttps://github.com/login?return_to=https%3A%2F%2Fgithub.com%2Fpython%2Fcpython%2Fpull%2F125944
https://github.com/rhettinger
rhettinger https://github.com/rhettinger
Please reload this pagehttps://github.com/python/cpython/pull/125944
https://github.com/miss-islington
https://github.com/colesbury
https://github.com
Termshttps://docs.github.com/site-policy/github-terms/github-terms-of-service
Privacyhttps://docs.github.com/site-policy/privacy-policies/github-privacy-statement
Securityhttps://github.com/security
Statushttps://www.githubstatus.com/
Communityhttps://github.community/
Docshttps://docs.github.com/
Contacthttps://support.github.com?tags=dotcom-footer

Viewport: width=device-width


URLs of crawlers that visited me.