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Bump the python-packages group across 1 directory with 2 updates#59

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Bump the python-packages group across 1 directory with 2 updates#59
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dependabot/pip/python-packages-881fb30989

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Bumps the python-packages group with 2 updates in the / directory: mypy and pre-commit.

Updates mypy from 2.2.0 to 2.3.0

Changelog

Sourced from mypy's changelog.

Mypy Release Notes

Next Release

Packaging changes

Mypy 2.3

We've just uploaded mypy 2.3.0 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.

The Upcoming Switch to the New Native Parser

We are planning to enable the new native parser (--native-parser) by default soon. We recommend that you test the native parser in your projects and report any issues in the mypy issue tracker.

Mypyc Free-threading Memory Safety

Free-threaded Python builds that don't have the GIL require additional synchronization primitives or lock-free algorithms to ensure memory safety when there are race conditions (for example, when a thread reads a list item while another thread writes the same list item concurrently). This release greatly improves memory safety of free threading.

List operations are now memory-safe on free threaded Python builds, even in the presence of race conditions. This has some performance cost. For list-heavy workloads, using librt.vecs.vec instead of list is often significantly faster, but note that vec is not (and likely won't be) fully memory safe, and the user is expected to avoid race conditions. The newly introduced librt.threading.Lock helps with this. Using variable-length tuples can also be more efficient than lists, since tuples are immutable and don't require expensive synchronization to ensure memory safety.

Instance attribute access is also (mostly) memory safe now on free-threaded builds in the presence of race conditions. We are planning to fix the remaining unsafe cases in a future release.

Full list of changes:

  • Make attribute access memory safe on free-threaded builds (Jukka Lehtosalo, PR 21705)
  • Fix unsafe borrowing of instance attributes with free-threading (Jukka Lehtosalo, PR 21688)
  • Make list get/set item more memory safe on free-threaded builds (Jukka Lehtosalo, PR 21683)
  • Don't borrow list items on free-threaded builds (Jukka Lehtosalo, PR 21679)
  • Make multiple assignment from list memory-safe on free-threaded builds (Jukka Lehtosalo, PR 21684)

... (truncated)

Commits
  • 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)
  • 0faa413 Use PYODIDE environment variable for Emscripten cross-compilation detection...
  • 3d75cdb [mypyc] Borrow final attributes more aggressively (#21702)
  • 24c237d [mypyc] Improve documentation of Final (#21713)
  • b5be217 [mypyc] Update free threading Python compatibility docs (#21711)
  • cbcb51a Narrow for frozendict membership check (#21709)
  • af2bc0f Sync typeshed (#21707)
  • Additional commits viewable in compare view

Updates pre-commit from 4.6.0 to 4.6.1

Release notes

Sourced from pre-commit's releases.

pre-commit v4.6.1

Fixes

Changelog

Sourced from pre-commit's changelog.

4.6.1 - 2026-07-21

Fixes

Commits
  • 242ce8a v4.6.1
  • 766e550 Merge pull request #3727 from pre-commit/dedupe
  • 1558d06 Merge pull request #3726 from pre-commit/exists-faster
  • 8a1c47a avoid duplicate files in --all-files during conflict
  • 2e01c99 faster check of rev existing locally as a commit
  • 3613bf2 Merge pull request #3701 from pre-commit/autoupdate-repos
  • 1d811d9 Return an error for invalid --repo
  • 374d354 Merge pull request #3711 from damonbayer/dmb_JULIA_DEPOT_PATH
  • 1e7994f set JULIA_DEPOT_PATH
  • b2b9119 Merge pull request #3719 from pre-commit/npm-unknown-options
  • Additional commits viewable in compare view

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@dependabot
Bump the python-packages group across 1 directory with 2 updates
97b233f 
Bumps the python-packages group with 2 updates in the / directory: [mypy](https://github.com/python/mypy) and [pre-commit](https://github.com/pre-commit/pre-commit).


Updates `mypy` from 2.2.0 to 2.3.0
- [Changelog](https://github.com/python/mypy/blob/master/CHANGELOG.md)
- [Commits](python/mypy@v2.2.0...v2.3.0)

Updates `pre-commit` from 4.6.0 to 4.6.1
- [Release notes](https://github.com/pre-commit/pre-commit/releases)
- [Changelog](https://github.com/pre-commit/pre-commit/blob/main/CHANGELOG.md)
- [Commits](pre-commit/pre-commit@v4.6.0...v4.6.1)

---
updated-dependencies:
- dependency-name: mypy
  dependency-version: 2.3.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
  dependency-group: python-packages
- dependency-name: pre-commit
  dependency-version: 4.6.1
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: python-packages
...

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 Jul 22, 2026
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