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chore(deps)(deps-dev): bump mypy from 1.20.2 to 2.3.1 in /sdk - #287

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dependabot/pip/sdk/mypy-2.3.1
Sep 18, 2026
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pontino merged 1 commit into
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dependabot/pip/sdk/mypy-2.3.1

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@dependabot

@dependabot dependabot Bot commented on behalf of github Sep 14, 2026 •

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Bumps mypy from 1.20.2 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
  • 8aabf84 Drop +dev from version
  • 4d8ad2a Update changelog for 2.3 release (#21728)
  • 2c21546 [mypyc] Update documentation of race conditions under free threading (#21726)
  • a9f62a3 [mypyc] Make attribute access memory safe on free-threaded builds (#21705)
  • Additional commits viewable in compare view

@pontino

pontino commented Sep 18, 2026

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@dependabot rebase

Bumps [mypy](https://github.com/python/mypy) from 1.20.2 to 2.3.1.
- [Changelog](https://github.com/python/mypy/blob/master/CHANGELOG.md)
- [Commits](python/mypy@v1.20.2...v2.3.1)

---
updated-dependencies:
- dependency-name: mypy
  dependency-version: 2.3.1
  dependency-type: direct:development
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>
@dependabot
dependabot Bot force-pushed the dependabot/pip/sdk/mypy-2.3.1 branch from fb669d6 to 7724dd0 Compare September 18, 2026 08:10

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Validated locally together with #282 #283 #284 #285 #286 on one integration branch: mypy 2.3.1 clean in CI mode (no extras); with all extras it reports the same 18 pre-existing errors in tracing.py and the a2a adapter that mypy 1.20.2 reports on main, so nothing new. ruff clean, 124/124 tests passing against live Redis 7 and Redpanda (no skips), wheel builds and passes twine check.

@pontino
pontino merged commit aa73836 into main Sep 18, 2026
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@pontino
pontino deleted the dependabot/pip/sdk/mypy-2.3.1 branch September 18, 2026 08:13
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