chore(pypi): update dependency ty to v0.0.74

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
ty (changelog)	==0.0.72 → ==0.0.74

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Release Notes

astral-sh/ty (ty)

v0.0.74

Compare Source

Released on 2026-08-22.

Bug fixes

• Avoid duplicate bindings in multi-target assignments (#​27938)
• Avoid panic on unpacked kwargs in string annotations (#​27963)
• Fix stack overflow in recursive TypedDict dictionary compatibility (#​27951)
• Handle assignment expressions in string annotations (#​27921)
• Handle dynamic classes in string annotations (#​27883)
• Preserve string annotation context in lambda defaults and TypedDict types (#​27914)
• Skip invalid subscript arguments in string annotations (#​27917)
• Skip invalid subscript operands in string annotations (#​27882)

LSP server

• Add untrustedWorkspace option to the LSP (#​27828)
• Add executable discovery to the server command (#​27806)
• Handle file-valued workspace folders from Zed (#​27836)
• Skip scripts with an invalid PEP 723 configuration (#​27505)
• Support pull diagnostics for notebook cells (#​27778)

Documentation

• Update mypy/pyright comparison table (#​4165)

Diagnostics

• Add an opt-in unsound-assignment rule for variables (#​27874)
• Fix variadic signature display (#​27869)
• Highlight declarations in invalid-assignment diagnostics (#​27872)
• Improve LiteralString suggestions in string annotations (#​27931)
• Use invalid-type-form for non-generic class annotations (#​27889)

Core type checking

• Add bounded constraint solution projections (#​27949)
• Fix invariant gradual tuple materialization ranges (#​27946)
• Guard recursive constructor bindings by receiver (#​27958)
• Preserve all alternatives in bounded intersections (#​27898)
• Preserve keyword safety for unpacked callables (#​27517)
• Preserve source protocol members and classify finite aliases (#​27772)
• Preserve type-variable order when reloading constraints (#​27904)
• Propagate narrowing through statically known branches (#​27752)
• Recognize ABC metaclass methods on protocols (#​27897)
• Support __slots__ (#​27730)

Performance

• Lazily infer function parameter default types (#​27857)
• Optimize inherited recursive protocol comparisons (#​27922)
• Traverse shared constraint source-order nodes once (#​27947)

Contributors

• @​carljm
• @​lerebear
• @​charliermarsh
• @​dhruvmanila
• @​AlexWaygood
• @​MichaReiser
• @​jelle-openai

v0.0.73

Compare Source

Released on 2026-08-18.

LSP server

• Do not prefer unsafe fixes in the language server (#​27822)
• Fix signature help in trailing whitespace (#​27784)

Library support

• Preserve variadic generics in functools.partial (#​27774)

Diagnostics

• Add an opt-in rule flagging function decorators that transform a non-dynamic type into a dynamic type (#​27829)
• Disambiguate same-named types in several diagnostics (#​27814)
• Show error spans for errors originating in script metadata (#​26693)

Core type checking

• Avoid bypassing solver during literal promotion (#​27763)
• Expand nested union aliases when finding a TypedDict or callable (#​27740)
• Implement intersection meta-type projection (#​27660)
• Infer generic protocols from class objects (#​27812)
• Model exception-suppressing context managers (#​27219)
• Preserve TypeAliasType runtime origin (#​27813)
• Preserve class objects in lazy protocol checks (#​27815)
• Preserve declared types in exception handlers (#​27817)
• Preserve explicit globals after conditional rebinding (#​27786)
• Preserve property subclass types and accessors (#​27833)
• Preserve required stub fields in generated constructors (#​27765)
• Preserve static upper bounds of gradual solutions (#​27664)
• Prevent unrelated quantified constraints from destabilizing recursive queries (#​27737)
• Separate generic constraint accumulation from legacy projection (#​27743)
• Simplify generic protocol inference (#​27819)
• Specialize inherited members of unspecialized generic classes (#​27658)
• Specialize type variables determined by bound receivers (#​27732)
• Support unpacking tuple type aliases (#​27825)
• Sync vendored typeshed stubs (#​27771). Typeshed diff

Performance

• Cache py.typed contents (#​27805)
• Deduplicate exception checkpoints across equivalent branches (#​27703)

Contributors

• @​charliermarsh
• @​AlexWaygood
• @​MichaReiser
• @​augustelalande
• @​carljm
• @​woodruffw
• @​dhruvmanila
• @​ibraheemdev
• @​zaniebot

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