René's URL Explorer Experiment


Title: fix: prevent false unreachable error when comparing generic callables by Bahtya · Pull Request #21188 · python/mypy · GitHub

Open Graph Title: fix: prevent false unreachable error when comparing generic callables by Bahtya · Pull Request #21188 · python/mypy

X Title: fix: prevent false unreachable error when comparing generic callables by Bahtya · Pull Request #21188 · python/mypy

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

Open Graph Description: Problem Fixes #21182 When comparing a generic Callable parameter with a generic function using ==, mypy incorrectly reported "Statement is unreachable" with --warn-unreachable: from typin...

X Description: Problem Fixes #21182 When comparing a generic Callable parameter with a generic function using ==, mypy incorrectly reported "Statement is unreachable" with --warn-unreachable: fr...

Opengraph URL: https://github.com/python/mypy/pull/21188

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:edd3200a-bf3b-4257-a921-889d390d2628
current-catalog-service-hashae870bc5e265a340912cde392f23dad3671a0a881730ffdadd82f2f57d81641b
request-idE5B8:4842:1C62B4F:261A7E4:6A598B75
html-safe-noncefe1d817d6f96cfe84b4aea3dbb3418abf0aea45b0939ec11fb2db73ae9fbe829
visitor-payloadeyJyZWZlcnJlciI6IiIsInJlcXVlc3RfaWQiOiJFNUI4OjQ4NDI6MUM2MkI0RjoyNjFBN0U0OjZBNTk4Qjc1IiwidmlzaXRvcl9pZCI6IjE1MDcwOTgxMTYwNzU2NTQwMDUiLCJyZWdpb25fZWRnZSI6ImlhZCIsInJlZ2lvbl9yZW5kZXIiOiJpYWQifQ==
visitor-hmac419de0c9603b698a3137780d5b1d7f9a6c44f9ee34b25f215de14d90759ca519
hovercard-subject-tagpull_request:3504853113
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/21188/pull_request_layout
twitter:imagehttps://opengraph.githubassets.com/f9e74e5e2ebc9ac215cc13e8cbbcb581794106dfbc4684ac165f54d8205a0e0e/python/mypy/pull/21188
twitter:cardsummary_large_image
og:imagehttps://opengraph.githubassets.com/f9e74e5e2ebc9ac215cc13e8cbbcb581794106dfbc4684ac165f54d8205a0e0e/python/mypy/pull/21188
og:image:altProblem Fixes #21182 When comparing a generic Callable parameter with a generic function using ==, mypy incorrectly reported "Statement is unreachable" with --warn-unreachable: from typin...
og:image:width1200
og:image:height600
og:site_nameGitHub
og:typeobject
og:author:usernameBahtya
hostnamegithub.com
expected-hostnamegithub.com
Nonea540949572872b935b393b36db38922db390ae71c859537d741b8f3eb7e545b5
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
release624bb50a7497aa346bef8cc3743af408a9ea10ca
ui-targetfull
theme-color#1e2327
color-schemelight dark

Links:

Skip to contenthttps://github.com/python/mypy/pull/21188#start-of-content
https://github.com/
Sign in https://github.com/login?return_to=https%3A%2F%2Fgithub.com%2Fpython%2Fmypy%2Fpull%2F21188
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%2F21188
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/21188
Reloadhttps://github.com/python/mypy/pull/21188
Reloadhttps://github.com/python/mypy/pull/21188
Please reload this pagehttps://github.com/python/mypy/pull/21188
python https://github.com/python
mypyhttps://github.com/python/mypy
Please reload this pagehttps://github.com/python/mypy/pull/21188
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 466 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
Bahtyahttps://github.com/Bahtya
python:masterhttps://github.com/python/mypy/tree/master
Bahtya:fix/unreachable-generic-callable-comparisonhttps://github.com/Bahtya/mypy/tree/fix/unreachable-generic-callable-comparison
Conversationhttps://github.com/python/mypy/pull/21188
Commits2 (2)https://github.com/python/mypy/pull/21188/commits
Checkshttps://github.com/python/mypy/pull/21188/checks
Files changedhttps://github.com/python/mypy/pull/21188/files
fix: prevent false unreachable error when comparing generic callableshttps://github.com/python/mypy/pull/21188#top
Bahtyahttps://github.com/Bahtya
python:masterhttps://github.com/python/mypy/tree/master
Bahtya:fix/unreachable-generic-callable-comparisonhttps://github.com/Bahtya/mypy/tree/fix/unreachable-generic-callable-comparison
https://github.com/Bahtya
Bahtyahttps://github.com/Bahtya
Apr 8, 2026https://github.com/python/mypy/pull/21188#issue-4226929213
#21182https://github.com/python/mypy/issues/21182
[1.20 regression] unreachable regression with generic Callable #21182https://github.com/python/mypy/issues/21182
Please reload this pagehttps://github.com/python/mypy/pull/21188
Bahtyahttps://github.com/Bahtya
April 9, 2026 02:56https://github.com/python/mypy/pull/21188#commits-pushed-f0c1fdc
https://github.com/Bahtya
fix: prevent false unreachable error when comparing generic callableshttps://github.com/python/mypy/pull/21188/commits/f0c1fdcf1a2cd3fb8b1c318663091600e7f63529
f0c1fdchttps://github.com/python/mypy/pull/21188/commits/f0c1fdcf1a2cd3fb8b1c318663091600e7f63529
#21182https://github.com/python/mypy/issues/21182
https://github.com/marketplace/pre-commit-ci
[pre-commit.ci] auto fixes from pre-commit.com hookshttps://github.com/python/mypy/pull/21188/commits/07b6987bd46984ee3918a0505dbd778e75eeae7a
07b6987https://github.com/python/mypy/pull/21188/commits/07b6987bd46984ee3918a0505dbd778e75eeae7a
https://pre-commit.cihttps://pre-commit.ci
https://github.com/apps/github-actions
github-actionshttps://github.com/apps/github-actions
Apr 8, 2026https://github.com/python/mypy/pull/21188#issuecomment-4208991944
mypy_primerhttps://github.com/hauntsaninja/mypy_primer
Please reload this pagehttps://github.com/python/mypy/pull/21188
https://github.com/hauntsaninja
hauntsaninjahttps://github.com/hauntsaninja
Apr 9, 2026 https://github.com/python/mypy/pull/21188#pullrequestreview-4081150033
View reviewed changes https://github.com/python/mypy/pull/21188/files/07b6987bd46984ee3918a0505dbd778e75eeae7a
hauntsaninjahttps://github.com/hauntsaninja
https://github.com/python/mypy/pull/21188#pullrequestreview-4081150033
Learn morehttps://docs.github.com/articles/managing-disruptive-comments/#hiding-a-comment
Please reload this pagehttps://github.com/python/mypy/pull/21188
https://github.com/Bahtya
Bahtyahttps://github.com/Bahtya
Apr 9, 2026https://github.com/python/mypy/pull/21188#issuecomment-4213257181
Please reload this pagehttps://github.com/python/mypy/pull/21188
https://github.com/Bahtya
Bahtyahttps://github.com/Bahtya
Apr 9, 2026https://github.com/python/mypy/pull/21188#issuecomment-4213290063
#21190https://github.com/python/mypy/pull/21190
Please reload this pagehttps://github.com/python/mypy/pull/21188
https://github.com/Bahtya
Bahtyahttps://github.com/Bahtya
Apr 9, 2026https://github.com/python/mypy/pull/21188#issuecomment-4214275965
Fix narrowing for match case with variadic tuples #21192https://github.com/python/mypy/pull/21192
@hauntsaninjahttps://github.com/hauntsaninja
testAllBase64Features_librt fails with Python 3.14.4 #21120https://github.com/python/mypy/issues/21120
e31c551https://github.com/python/cpython/commit/e31c55121620189a0d1a07b689762d8ca9c1b7fa
Please reload this pagehttps://github.com/python/mypy/pull/21188
https://github.com/Bahtya
Bahtyahttps://github.com/Bahtya
Apr 9, 2026https://github.com/python/mypy/pull/21188#issuecomment-4216177653
@hauntsaninjahttps://github.com/hauntsaninja
#21120https://github.com/python/mypy/issues/21120
Please reload this pagehttps://github.com/python/mypy/pull/21188
https://github.com/hauntsaninja
hauntsaninjahttps://github.com/hauntsaninja
pending https://github.com/python/mypy/issues?q=state%3Aopen%20label%3Apending
Apr 10, 2026https://github.com/python/mypy/pull/21188#event-24359399762
https://github.com/hauntsaninja
hauntsaninjahttps://github.com/hauntsaninja
Apr 13, 2026https://github.com/python/mypy/pull/21188#issuecomment-4234392677
#21208https://github.com/python/mypy/pull/21208
Please reload this pagehttps://github.com/python/mypy/pull/21188
https://github.com/hauntsaninja
hauntsaninjahttps://github.com/hauntsaninja
Apr 13, 2026https://github.com/python/mypy/pull/21188#event-24434987673
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%2F21188
https://github.com/hauntsaninja
hauntsaninja https://github.com/hauntsaninja
https://github.com/python/mypy/pull/21188/files/07b6987bd46984ee3918a0505dbd778e75eeae7a
pending https://github.com/python/mypy/issues?q=state%3Aopen%20label%3Apending
[1.20 regression] unreachable regression with generic Callable https://github.com/python/mypy/issues/21182
Please reload this pagehttps://github.com/python/mypy/pull/21188
https://github.com/Bahtya
https://github.com/hauntsaninja
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.