René's URL Explorer Experiment


Title: Fix nondeterministic type checking caused by nonassociative of None joins by hauntsaninja · Pull Request #19158 · python/mypy · GitHub

Open Graph Title: Fix nondeterministic type checking caused by nonassociative of None joins by hauntsaninja · Pull Request #19158 · python/mypy

X Title: Fix nondeterministic type checking caused by nonassociative of None joins by hauntsaninja · Pull Request #19158 · python/mypy

Description: Optional static typing for Python. Contribute to python/mypy development by creating an account on GitHub.

Open Graph Description: Fixes #19121 (xarray case) See #19147 for context The ordering of the union is still nondeterministic. We could solve this by change the solver to use dict[Type, None instead of set[Type] since dic...

X Description: Fixes #19121 (xarray case) See #19147 for context The ordering of the union is still nondeterministic. We could solve this by change the solver to use dict[Type, None instead of set[Type] since dic...

Opengraph URL: https://github.com/python/mypy/pull/19158

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:ef7205cf-937f-6d40-214d-34c9fc27cf54
current-catalog-service-hashae870bc5e265a340912cde392f23dad3671a0a881730ffdadd82f2f57d81641b
request-id883A:12D7DC:78A78F:9B873B:6A5C087D
html-safe-nonce9d167753ff29a2b4501431879740fec7979d6e5792b42d8dbf2834c1bfa4354a
visitor-payloadeyJyZWZlcnJlciI6IiIsInJlcXVlc3RfaWQiOiI4ODNBOjEyRDdEQzo3OEE3OEY6OUI4NzNCOjZBNUMwODdEIiwidmlzaXRvcl9pZCI6Ijg3OTI2MzIzMTk3MzM5MjYwMTMiLCJyZWdpb25fZWRnZSI6ImlhZCIsInJlZ2lvbl9yZW5kZXIiOiJpYWQifQ==
visitor-hmacf751a7b464b95f5fc42c0ffe3fcbc3c45ca2bf7b5d2fdd92392b6dfabd120086
hovercard-subject-tagpull_request:2548262768
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/mypy/19158/pull_request_layout
twitter:imagehttps://opengraph.githubassets.com/e90768d04a1d8d74acfb874b8e91d3d01aa8d365545a97c03df2947fc29ef606/python/mypy/pull/19158
twitter:cardsummary_large_image
og:imagehttps://opengraph.githubassets.com/e90768d04a1d8d74acfb874b8e91d3d01aa8d365545a97c03df2947fc29ef606/python/mypy/pull/19158
og:image:altFixes #19121 (xarray case) See #19147 for context The ordering of the union is still nondeterministic. We could solve this by change the solver to use dict[Type, None instead of set[Type] since dic...
og:image:width1200
og:image:height600
og:site_nameGitHub
og:typeobject
og:author:usernamehauntsaninja
hostnamegithub.com
expected-hostnamegithub.com
None5290d7e14309ad1e76106a9c4237bd1041517e83ea182c8ab756752cb0c6940b
turbo-cache-controlno-cache
go-importgithub.com/python/mypy git https://github.com/python/mypy.git
octolytics-dimension-user_id1525981
octolytics-dimension-user_loginpython
octolytics-dimension-repository_id7053637
octolytics-dimension-repository_nwopython/mypy
octolytics-dimension-repository_publictrue
octolytics-dimension-repository_is_forkfalse
octolytics-dimension-repository_network_root_id7053637
octolytics-dimension-repository_network_root_nwopython/mypy
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
release9c975978430e9ad293956f2bbdaf153b1bd84a99
ui-targetcanary-1
theme-color#1e2327
color-schemelight dark

Links:

Skip to contenthttps://github.com/python/mypy/pull/19158#start-of-content
https://github.com/
Sign in https://github.com/login?return_to=https%3A%2F%2Fgithub.com%2Fpython%2Fmypy%2Fpull%2F19158
GitHub CopilotWrite better code with AIhttps://github.com/features/copilot
GitHub Copilot appDirect agents from issue to mergehttps://github.com/features/ai/github-app
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
View all resourceshttps://github.com/resources
GitHub SponsorsFund open source developershttps://github.com/open-source/sponsors
Security Labhttps://securitylab.github.com
Maintainer Communityhttps://maintainers.github.com
Acceleratorhttps://github.com/open-source/accelerator
GitHub Starshttps://stars.github.com
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/enterprise/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%2Fmypy%2Fpull%2F19158
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%2Fmypy
Reloadhttps://github.com/python/mypy/pull/19158
Reloadhttps://github.com/python/mypy/pull/19158
Reloadhttps://github.com/python/mypy/pull/19158
Please reload this pagehttps://github.com/python/mypy/pull/19158
python https://github.com/python
mypyhttps://github.com/python/mypy
Please reload this pagehttps://github.com/python/mypy/pull/19158
Notifications https://github.com/login?return_to=%2Fpython%2Fmypy
Fork 3.2k https://github.com/login?return_to=%2Fpython%2Fmypy
Star 20.5k https://github.com/login?return_to=%2Fpython%2Fmypy
Code https://github.com/python/mypy
Issues 2.7k https://github.com/python/mypy/issues
Pull requests 468 https://github.com/python/mypy/pulls
Actions https://github.com/python/mypy/actions
Projects https://github.com/python/mypy/projects
Wiki https://github.com/python/mypy/wiki
Security and quality 0 https://github.com/python/mypy/security
Insights https://github.com/python/mypy/pulse
Code https://github.com/python/mypy
Issues https://github.com/python/mypy/issues
Pull requests https://github.com/python/mypy/pulls
Actions https://github.com/python/mypy/actions
Projects https://github.com/python/mypy/projects
Wiki https://github.com/python/mypy/wiki
Security and quality https://github.com/python/mypy/security
Insights https://github.com/python/mypy/pulse
JukkaLhttps://github.com/JukkaL
python:masterhttps://github.com/python/mypy/tree/master
hauntsaninja:uniondethttps://github.com/hauntsaninja/mypy/tree/uniondet
Conversationhttps://github.com/python/mypy/pull/19158
Commits2 (2)https://github.com/python/mypy/pull/19158/commits
Checkshttps://github.com/python/mypy/pull/19158/checks
Files changedhttps://github.com/python/mypy/pull/19158/files
Fix nondeterministic type checking caused by nonassociative of None joinshttps://github.com/python/mypy/pull/19158#top
JukkaLhttps://github.com/JukkaL
python:masterhttps://github.com/python/mypy/tree/master
hauntsaninja:uniondethttps://github.com/hauntsaninja/mypy/tree/uniondet
https://github.com/hauntsaninja
hauntsaninjahttps://github.com/hauntsaninja
May 28, 2025https://github.com/python/mypy/pull/19158#issue-3095921430
Please reload this pagehttps://github.com/python/mypy/pull/19158
#19121https://github.com/python/mypy/issues/19121
#19147https://github.com/python/mypy/pull/19147
Please reload this pagehttps://github.com/python/mypy/pull/19158
hauntsaninjahttps://github.com/hauntsaninja
May 27, 2025 20:58https://github.com/python/mypy/pull/19158#commits-pushed-b35fba1
https://github.com/hauntsaninja
Fix nondeterministic type checking caused by nonassociative of None j…https://github.com/python/mypy/pull/19158/commits/b35fba1962857b518db60aca33402e18a4496235
b35fba1https://github.com/python/mypy/pull/19158/commits/b35fba1962857b518db60aca33402e18a4496235
https://github.com/hauntsaninja
fix testhttps://github.com/python/mypy/pull/19158/commits/51ddef5a0878fd109b0f796eb1051c940309e48c
51ddef5https://github.com/python/mypy/pull/19158/commits/51ddef5a0878fd109b0f796eb1051c940309e48c
https://github.com/apps/github-actions
github-actionshttps://github.com/apps/github-actions
May 28, 2025https://github.com/python/mypy/pull/19158#issuecomment-2914921064
mypy_primerhttps://github.com/hauntsaninja/mypy_primer
Please reload this pagehttps://github.com/python/mypy/pull/19158
https://github.com/JukkaL
JukkaLhttps://github.com/JukkaL
May 28, 2025 https://github.com/python/mypy/pull/19158#pullrequestreview-2874246737
View reviewed changes https://github.com/python/mypy/pull/19158/files/51ddef5a0878fd109b0f796eb1051c940309e48c
JukkaLhttps://github.com/JukkaL
https://github.com/python/mypy/pull/19158#pullrequestreview-2874246737
Learn morehttps://docs.github.com/articles/managing-disruptive-comments/#hiding-a-comment
Please reload this pagehttps://github.com/python/mypy/pull/19158
test-data/unit/check-generics.testhttps://github.com/python/mypy/pull/19158/files/51ddef5a0878fd109b0f796eb1051c940309e48c#diff-66e952c0f29c9c94526c50e69b4eaae5bad35ea0e249c9fd2edcf0b4be9f93af
JukkaLhttps://github.com/JukkaL
May 28, 2025https://github.com/python/mypy/pull/19158#discussion_r2111359892
Learn morehttps://docs.github.com/articles/managing-disruptive-comments/#hiding-a-comment
Please reload this pagehttps://github.com/python/mypy/pull/19158
JukkaLhttps://github.com/JukkaL
May 28, 2025https://github.com/python/mypy/pull/19158#discussion_r2111366607
Learn morehttps://docs.github.com/articles/managing-disruptive-comments/#hiding-a-comment
Please reload this pagehttps://github.com/python/mypy/pull/19158
https://github.com/JukkaL
JukkaLhttps://github.com/JukkaL
29e125fhttps://github.com/python/mypy/commit/29e125f858e75bb9ba6f0c389718bc14075e866a
May 28, 2025https://github.com/python/mypy/pull/19158#event-17846872469
https://github.com/sterliakov
sterliakovhttps://github.com/sterliakov
Jul 17, 2025 https://github.com/python/mypy/pull/19158#ref-issue-3239839494
More specific inline dict type inference can fail on 1.17.0 #19474 https://github.com/python/mypy/issues/19474
https://github.com/hauntsaninja
hauntsaninjahttps://github.com/hauntsaninja
May 10, 2026 https://github.com/python/mypy/pull/19158#ref-pullrequest-4414909356
Fix nondeterminism from nonassociativity of overload joins #21455 https://github.com/python/mypy/pull/21455
hauntsaninjahttps://github.com/hauntsaninja
May 10, 2026 https://github.com/python/mypy/pull/19158#ref-commit-010f0a2
https://github.com/hauntsaninja
Fix nondeterminism from nonassociativity of overload joins (https://github.com/python/mypy/commit/010f0a2c4a5e4b7ac4e9fd1388ac072ffd2e8e5d
#21455https://github.com/python/mypy/pull/21455
)https://github.com/python/mypy/commit/010f0a2c4a5e4b7ac4e9fd1388ac072ffd2e8e5d
010f0a2https://github.com/python/mypy/commit/010f0a2c4a5e4b7ac4e9fd1388ac072ffd2e8e5d
#21445https://github.com/python/mypy/issues/21445
#19147https://github.com/python/mypy/pull/19147
#19158https://github.com/python/mypy/pull/19158
JukkaLhttps://github.com/JukkaL
May 10, 2026 https://github.com/python/mypy/pull/19158#ref-commit-116d60b
https://github.com/hauntsaninja
https://github.com/JukkaL
Fix nondeterminism from nonassociativity of overload joins (https://github.com/python/mypy/commit/116d60bdd3fdfe8d97c6afe99370910db56f1b92
#21455https://github.com/python/mypy/pull/21455
)https://github.com/python/mypy/commit/116d60bdd3fdfe8d97c6afe99370910db56f1b92
116d60bhttps://github.com/python/mypy/commit/116d60bdd3fdfe8d97c6afe99370910db56f1b92
#21445https://github.com/python/mypy/issues/21445
#19147https://github.com/python/mypy/pull/19147
#19158https://github.com/python/mypy/pull/19158
https://github.co/hiddenchars
https://github.com/python/mypy/pull/{{ revealButtonHref }}
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%2Fmypy%2Fpull%2F19158
https://github.com/JukkaL
JukkaL https://github.com/JukkaL
https://github.com/python/mypy/pull/19158/files/51ddef5a0878fd109b0f796eb1051c940309e48c
Nondeterministic type checking on pytorch/vision https://github.com/python/mypy/issues/19121
Please reload this pagehttps://github.com/python/mypy/pull/19158
https://github.com/hauntsaninja
https://github.com/JukkaL
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.