chore(deps-dev): bump pyrefly from 1.0.0 to 1.1.1 in the python-minor-patch group

[dependabot]

Bumps the python-minor-patch group with 1 update: pyrefly.

Updates pyrefly from 1.0.0 to 1.1.1

Release notes

Sourced from pyrefly's releases.

Pyrefly v1.1.1

Release date: June 18, 2026

Pyrefly v1.1.1 is a patch release with a single bug fix.

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🐛 Bug fixes

• #3867: Fixed a regression introduced in 1.1.0 where isinstance() narrowing of a union variable silently stopped working when an earlier sibling branch in the same if/elif/else chain narrowed a different variable with isinstance() and returned. The later narrowing left the union untouched, producing false missing-attribute errors on code that checked correctly in 1.0.0.

Thank-you to all our contributors who found these bugs and reported them! Did you know this is one of the most helpful contributions you can make to an open-source project? If you find any bugs in Pyrefly we want to know about them! Please open a bug report issue here.

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📦 Upgrade

pip install --upgrade pyrefly==1.1.1

How to safely upgrade your codebase

Upgrading the version of Pyrefly you're using or a third-party library you depend on can reveal new type errors in your code. Fixing them all at once is often unrealistic. We've written scripts to help you temporarily silence them. After upgrading, follow these steps:

1. pyrefly check --suppress-errors
2. Run your code formatter of choice
3. pyrefly check --remove-unused-ignores
4. Repeat until you achieve a clean formatting run and a clean type check.

This will add # pyrefly: ignore comments to your code, enabling you to silence errors and return to fix them later. This can make the process of upgrading a large codebase much more manageable.

Read more about error suppressions in the Pyrefly documentation.

Pyrefly v1.1.0

Release date: June 17, 2026

Pyrefly v1.1.0 bundles 250 commits from 25 contributors.

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✨ New & Improved

Type Checking

• Pyrefly now correctly narrows TypedDict types after isinstance(x, dict) checks, treating them as runtime dict instances while preserving field information in the positive branch.
• Type narrowing for bounded and constrained TypeVars has been significantly improved. isinstance checks now correctly narrow Self and bounded type variables via their disjoint-base representatives, and negative narrowing on bounded TypeVars no longer produces false positives.
• Constrained TypeVars are now preserved through method calls and binary operations, so T & int where T: (int, str) correctly returns T & int instead of losing the TypeVar.
• Classes decorated with @dataclass(slots=True) are now recognized as PEP 800 disjoint bases when they synthesize non-empty __slots__, enabling proper multiple-inheritance conflict detection and type narrowing.
• Pyrefly now detects when methods override parent class methods without using the @override decorator, and a new quick fix can automatically add the decorator for you.

... (truncated)

Commits

• b87de05 cut 1.1.1
• a297847 release notes for v1.1.1
• 4be8673 Fix isinstance narrowing silently breaking after a sibling branch narrows ano...
• 67a11d4 cut 1.1.0
• 6eb38a7 Handle empty name invalid syntax
• 54f61bc Resolve type-alias refs against their own module, not typing
• fc495dc add test for resolving type alias references
• 33de466 Resolve real source locations by reusing the query transaction (#3829)
• 3fd550d Teach the type converter to resolve export locations
• 86f0da7 Lazy materialize implicit builtins
• Additional commits viewable in compare view

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