chore(deps-dev): bump the development-dependencies group with 3 updates

[dependabot]

Bumps the development-dependencies group with 3 updates: mypy, ty and hatchling.

Updates mypy from 2.3.0 to 2.3.1

Changelog

Sourced from mypy's changelog.

Mypy 2.3.1

• Fix mypyc crash on double yielding Iterators (Daniël van Noord, PR 21826)
• Fix mypyc default_factory for inherited dataclass (Daniël van Noord, PR 21785)
• Clear mypyc coroutine env on coroutine completion (Piotr Sawicki, PR 21734)
• Fix crash when unpacking return value from overload (Shantanu, PR 21830)

Acknowledgements

Thanks to all mypy contributors who contributed to this release:

• Agriya Khetarpal
• Ethan Sarp
• Ivan Levkivskyi
• Jingchen Ye
• Jukka Lehtosalo
• Piotr Sawicki
• Shantanu
• Tom Bannink
• Viktor Szépe
• ygale

I'd also like to thank my employer, Dropbox, for supporting mypy development.

Mypy 2.2

We've just uploaded mypy 2.2.0 to the Python Package Index (PyPI). Mypy is a static type checker for Python. This release includes new features, performance improvements and bug fixes. You can install it as follows:

python3 -m pip install -U mypy

You can read the full documentation for this release on Read the Docs.

Support for Closed TypedDicts (PEP 728)

Mypy now supports closed TypedDicts as specified in PEP 728. A closed TypedDict cannot have extra keys beyond those explicitly defined. This allows the type checker to determine that certain operations are safe when they otherwise wouldn't be due to the potential presence of unknown keys.

You can use the closed keyword argument with TypedDict:

HasName = TypedDict("HasName", {"name": str})
HasOnlyName = TypedDict("HasOnlyName", {"name": str}, closed=True)
Movie = TypedDict("Movie", {"name": str, "year": int})
movie: Movie = {"name": "Nimona", "year": 2023}
has_name: HasName = movie  # OK: HasName is open (default)
has_only_name: HasOnlyName = movie  # Error: HasOnlyName is closed and Movie has extra "year" key
</tr></table>

... (truncated)

Commits

• d642c44 Bump version to 2.3.1
• a392429 [mypyc] Fix crash on double yielding Iterators (#21826)
• 4843e77 [mypyc] Fix default_factory for inherited dataclass (#21785)
• 14f5df9 [mypyc] Clear coroutine env on coroutine completion (#21734)
• 6dfa06d Fix crash when unpacking return value from overload (#21830)
• a385746 Bump version to 2.3.1+dev
• See full diff in compare view

Updates ty from 0.0.63 to 0.0.74

Release notes

Sourced from ty's releases.

0.0.74

Release Notes

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

... (truncated)

Changelog

Sourced from ty's changelog.

0.0.74

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

... (truncated)

Commits

• 00199f0 Bump version to 0.0.74 (#4351)
• 5769062 Update mypy/pyright comparison table (#4165)
• 4fcb060 Remove Zulip from the PGO training (#4336)
• a7a7064 Use the versions bot's ruleset bypass when merging (#4333)
• 01b0fab Update prek dependencies (#4325)
• deef42f Update dependency python to 3.14 (#4326)
• 6d35edf Update astral-sh/setup-uv action to v10 (#4327)
• 4bd2833 Bump version to 0.0.73 (#4322)
• 93d0d4f Disable known GitHub cache clients in release workflows (#4317)
• ec4806b Harden release workflow permissions and shell inputs (#4319)
• Additional commits viewable in compare view

Updates hatchling from 1.31 to 1.32.0

Release notes

Sourced from hatchling's releases.

Hatchling v1.32.0

Changed:

• Bump default core metadata version to 2.5

• Add tomlkit as a runtime dependency, which is required to rewrite pyproject.toml when setting a static version

Added:

• The version command can now set a version that is statically defined by the project.version field, updating pyproject.toml in place. Pass --force to allow an explicit downgrade

Fixed:

• Allow the ; private annotation on project.import-names and project.import-namespaces entries rather than rejecting them as invalid import names.

• Reject project.readme paths that are absolute or resolve outside of the project directory.

Commits

• 558061c Fix ci (#2377)
• bc6d1bc release Hatch v1.18.0 (#2376)
• 8429e5d release Hatchling v1.32.0 (#2375)
• 413b3a8 Prepare for release (#2374)
• 4ccc9ea Bug Fix - fix CTRL-C behavior to correctly handle signals (#2369)
• a885803 Add sources to enable other types of local dependencies (#2313)
• ab3e000 Add --all flag to hatch build for building all workspace members (#2352)
• bb90277 fix: Allow the ; private annotation in import-names/import-namespaces p...
• 3a9d853 fix: prevent backward relative paths in readme (#2354)
• c4dc4f8 test: Fix test expectations for metadata generated by flit-core (#2365)
• Additional commits viewable in compare view

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