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@dependabot dependabot bot commented on behalf of github Dec 15, 2025

Bumps mypy from 1.18.2 to 1.19.1.

Changelog

Sourced from mypy's changelog.

Mypy 1.19.1

  • Fix noncommutative joins with bounded TypeVars (Shantanu, PR 20345)
  • Respect output format for cached runs by serializing raw errors in cache metas (Ivan Levkivskyi, PR 20372)
  • Allow types.NoneType in match cases (A5rocks, PR 20383)
  • Fix mypyc generator regression with empty tuple (BobTheBuidler, PR 20371)
  • Fix crash involving Unpack-ed TypeVarTuple (Shantanu, PR 20323)
  • Fix crash on star import of redefinition (Ivan Levkivskyi, PR 20333)
  • Fix crash on typevar with forward ref used in other module (Ivan Levkivskyi, PR 20334)
  • Fail with an explicit error on PyPy (Ivan Levkivskyi, PR 20389)

Acknowledgements

Thanks to all mypy contributors who contributed to this release:

  • A5rocks
  • BobTheBuidler
  • bzoracler
  • Chainfire
  • Christoph Tyralla
  • David Foster
  • Frank Dana
  • Guo Ci
  • iap
  • Ivan Levkivskyi
  • James Hilton-Balfe
  • jhance
  • Joren Hammudoglu
  • Jukka Lehtosalo
  • KarelKenens
  • Kevin Kannammalil
  • Marc Mueller
  • Michael Carlstrom
  • Michael J. Sullivan
  • Piotr Sawicki
  • Randolf Scholz
  • Shantanu
  • Sigve Sebastian Farstad
  • sobolevn
  • Stanislav Terliakov
  • Stephen Morton
  • Theodore Ando
  • Thiago J. Barbalho
  • wyattscarpenter

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

Mypy 1.18

We’ve just uploaded mypy 1.18.1 to the Python Package Index (PyPI). Mypy is a static type checker for Python. This release includes new features, performance

... (truncated)

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Bumps [mypy](https://github.com/python/mypy) from 1.18.2 to 1.19.1.
- [Changelog](https://github.com/python/mypy/blob/master/CHANGELOG.md)
- [Commits](python/mypy@v1.18.2...v1.19.1)

---
updated-dependencies:
- dependency-name: mypy
  dependency-version: 1.19.1
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
@dependabot dependabot bot added dependencies Pull requests that update a dependency file python Pull requests that update python code labels Dec 15, 2025
@pcanelas pcanelas requested a review from Copilot December 22, 2025 19:35
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Pull request overview

This PR updates the mypy static type checker from version 1.18.2 to 1.19.1 in the development dependencies. This is a patch release that includes bug fixes for type checking edge cases and crash scenarios, with no breaking changes.

Key Changes:

  • Bump mypy version from 1.18.2 to 1.19.1 in both dependency configuration files

Reviewed changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated no comments.

File Description
requirements-dev.txt Updates mypy version specification from 1.18.2 to 1.19.1
pyproject.toml Updates mypy version specification from 1.18.2 to 1.19.1 in the dev dependencies list

Review Summary: No issues found. The version bump is consistent across both files, the version exists and is valid, and the changes include only bug fixes according to the changelog. This is a straightforward and safe dependency update.


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@alcides alcides merged commit 52de62b into main Jan 6, 2026
15 checks passed
@dependabot dependabot bot deleted the dependabot/pip/mypy-1.19.1 branch January 6, 2026 08:51
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