Skip to content
Navigation Menu
Sign in
Appearance settings
Platform
AI CODE CREATION
GitHub Copilot
Write better code with AI
GitHub Copilot app
Direct agents from issue to merge
MCP Registry
Integrate external tools
DEVELOPER WORKFLOWS
Actions
Automate any workflow
Codespaces
Instant dev environments
Issues
Plan and track work
Code Review
Manage code changes
Code Quality
Enforce quality at merge
APPLICATION SECURITY
GitHub Advanced Security
Find and fix vulnerabilities
Code security
Secure your code as you build
Secret protection
Stop leaks before they start
EXPLORE
Why GitHub
Documentation
Blog
Changelog
Marketplace
View all features
Solutions
BY COMPANY SIZE
Enterprises
Small and medium teams
Startups
Nonprofits
BY USE CASE
App Modernization
DevSecOps
DevOps
CI/CD
View all use cases
BY INDUSTRY
Healthcare
Financial services
Manufacturing
Government
View all industries
View all solutions
Resources
EXPLORE BY TOPIC
AI
Software Development
DevOps
Security
View all topics
EXPLORE BY TYPE
Customer stories
Events & webinars
Ebooks & reports
Business insights
GitHub Skills
SUPPORT & SERVICES
Documentation
Customer support
Community forum
Trust center
Partners
View all resources
Open Source
COMMUNITY
GitHub Sponsors
Fund open source developers
PROGRAMS
Security Lab
Maintainer Community
Accelerator
GitHub Stars
Archive Program
REPOSITORIES
Topics
Trending
Collections
Enterprise
ENTERPRISE SOLUTIONS
Enterprise platform
AI-powered developer platform
AVAILABLE ADD-ONS
GitHub Advanced Security
Enterprise-grade security features
Copilot for Business
Enterprise-grade AI features
Premium Support
Enterprise-grade 24/7 support
Pricing
Search
/
Sign in
Sign up
Appearance settings
You signed in with another tab or window.
Reload
to refresh your session.
You signed out in another tab or window.
Reload
to refresh your session.
You switched accounts on another tab or window.
Reload
to refresh your session.
Dismiss alert
{{ message }}
Uh oh!
There was an error while loading.
Please reload this page
.
python
/
mypy
Public
Uh oh!
There was an error while loading.
Please reload this page
.
Notifications
You must be signed in to change notification settings
Fork
3.3k
Star
20.6k
Code
Issues
2.7k
Pull requests
480
Actions
Projects
Wiki
Security and quality
0
Insights
Additional navigation options
Code
Issues
Pull requests
Actions
Projects
Wiki
Security and quality
Insights
Better model runtime in isinstance and type checks
- #20675
#20675
Merged
hauntsaninja
merged 11 commits into
python:master
python/mypy:master
from
hauntsaninja:narrow57
hauntsaninja/mypy:narrow57
Copy head branch name to clipboard
Jan 30, 2026
Conversation
Commits
11
(11)
Checks
Files changed
Merged
Better model runtime in isinstance and type checks
#20675
hauntsaninja
merged 11 commits into
python:master
python/mypy:master
from
hauntsaninja:narrow57
hauntsaninja/mypy:narrow57
Copy head branch name to clipboard
Commits
Commits on Jan 28, 2026
Better model runtime in isinstance and type checks
hauntsaninja
committed
44bff04
View commit details
Copy full SHA for 44bff04
Browse repository at this point
Commits on Jan 29, 2026
wip
hauntsaninja
committed
b38f900
View commit details
Copy full SHA for b38f900
Browse repository at this point
more wip
hauntsaninja
committed
92adb44
View commit details
Copy full SHA for 92adb44
Browse repository at this point
wip
hauntsaninja
committed
f84384e
View commit details
Copy full SHA for f84384e
Browse repository at this point
patch
hauntsaninja
committed
87528ce
View commit details
Copy full SHA for 87528ce
Browse repository at this point
.
hauntsaninja
committed
87617ca
View commit details
Copy full SHA for 87617ca
Browse repository at this point
.
hauntsaninja
committed
48fa581
View commit details
Copy full SHA for 48fa581
Browse repository at this point
Merge remote-tracking branch 'origin/master' into narrow57
hauntsaninja
committed
8f67a54
View commit details
Copy full SHA for 8f67a54
Browse repository at this point
.
hauntsaninja
committed
8bf049f
View commit details
Copy full SHA for 8bf049f
Browse repository at this point
add another test
hauntsaninja
committed
d1732aa
View commit details
Copy full SHA for d1732aa
Browse repository at this point
more test
hauntsaninja
committed
949c130
View commit details
Copy full SHA for 949c130
Browse repository at this point
You can’t perform that action at this time.