⬆️ deps: Update Python dev dependencies

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
pytest-rerunfailures	>=16.3 → >=16.4
ty (changelog)	>=0.0.54,!=0.0.55 → >=0.0.57,!=0.0.55

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Release Notes

pytest-dev/pytest-rerunfailures (pytest-rerunfailures)

v16.4

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Breaking changes
++++++++++++++++

• Drop support for pytest 8.1. Minimum pytest version is now 8.2.

Features
++++++++

• Add support for pytest 9.1.

• Rerun tests with failed subtests. This feature is only available on pytest 9.0
  and later. The pytest-subtests plugin is not supported.
  Fixes #&#8203;315 <https://github.com/pytest-dev/pytest-rerunfailures/issues/315>_.

• Add --reruns-delay-backoff-factor option (and the matching
  reruns_delay_backoff_factor marker kwarg / ini setting) to grow the rerun
  delay after each attempt for an exponential backoff. The delay before the
  n-th re-run is reruns_delay * reruns_delay_backoff_factor ** (n - 1).
  The default factor is 1.0, so existing behaviour (a constant delay) is
  unchanged.

astral-sh/ty (ty)

v0.0.57

Compare Source

Released on 2026-07-07.

Bug fixes

• Detect async generator expressions containing await (#​26568)
• Preserve exhaustive gradual match patterns (#​26523)

LSP server

• Fix selection range behavior for strings (#​26532)
• Recognize that dedent ends doctest block when parsing docstrings for signature help (#​26552)
• Render reStructuredText hyperlinks as Markdown in hover docstrings (#​25907)
• Update __slots__ string when renaming an attribute (#​26438)

Documentation

• Document PYTHONPATH support in module discovery (#​3889)

Library support

• Add support for extra arguments in Pydantic model constructors (#​26520)
• Detect Pydantic model configurations (#​26573)
• Distinguish lax and strict mode for Pydantic models (#​26587)

Core type checking

• Fix subtyping/assignability for @property protocol members (#​25332)
• Narrow isinstance against intersections containing invalid member (#​26545)
• Narrow match subjects through structural patterns (#​25942)
• Preserve generic functools.partial signatures (#​24583)
• Preserve generic variadic callback semantics (#​26521)
• Preserve invariant materialization on generic specializations (#​26578)
• Preserve literal enum member names (#​26592)

Performance

• Avoid exponential invariant constraint paths (#​26538)
• Batch parallel jobs when finding references (#​26534)
• Build module names directly in CompactString (#​26546)
• Elide default use-def state (#​26398)
• Reuse owned buffers for string literals (#​26547)
• Use ICF for macOS release builds (#​3709)
• Use cached class literal lookup for is_subclass_of (#​26585)

Contributors

• @​sharkdp
• @​fenghourun
• @​zaniebot
• @​charliermarsh
• @​MichaReiser
• @​shaanmajid
• @​jvdillon
• @​sqqueak
• @​SuryanshSS1011
• @​carljm
• @​lerebear

v0.0.56

Compare Source

Released on 2026-07-01.

Bug fixes

• Avoid MRO cycle when collecting NamedTuple fields (#​26464)
• Model int and str enum value normalization (#​26349)
• Prefer reflected operators by runtime class (#​26434, #​26474)

CLI

• Exit with status 130 when interrupted (#​26465)

Performance

• Avoid exponential OR-pattern reachability (#​26481)
• Reduce bound typevar identity overhead (#​26396)

Core type checking

• Infer generic class pattern capture types (#​26479)
• Narrow exact tuples through sequence patterns (#​26424)
• Recognize inherited enum member constructors (#​26410)
• Respect return-context inference when filtering overloads (#​26454)
• Sync vendored typeshed stubs (#​26501). Typeshed diff

Contributors

• @​charliermarsh
• @​sharkdp

v0.0.55

Compare Source

Released on 2026-06-26.

LSP server

• Render full diagnostics in color (#​26384)

Documentation

• Document colored diagnostic output (#​3858)

Performance

• Improve vendored filesystem concurrency (#​26408)
• Optimize enum comparisons in equality evaluation (#​26340)
• Remove redundant semantic index shrinks (#​26392)
• Use never-change durability for one-shot checks (#​26359)

Core type checking

• Correct enum alias detection and scalar constructors (#​26345)
• Fix structural pattern binding inference (#​26411)
• Improve variable-length tuple slicing (#​26151)
• Infer class and mapping pattern bindings (#​25941)
• Infer empty collection constructors from later uses (#​26389)
• Skip shadowed submodule bindings during import analysis (#​26385)
• Sync vendored typeshed stubs (#​26406). Typeshed diff
• Track literal iterable emptiness for reachability (#​25222)
• Validate positional class patterns against __match_args__ (#​26195)

Contributors

• @​charliermarsh
• @​carljm
• @​AlexWaygood
• @​MichaReiser
• @​mtshiba
• @​felixscherz

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