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Bump mypy from 1.19.1 to 2.1.0#229

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Jun 1, 2026
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Bump mypy from 1.19.1 to 2.1.0#229
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@dependabot dependabot Bot commented on behalf of github Jun 1, 2026

Bumps mypy from 1.19.1 to 2.1.0.

Changelog

Sourced from mypy's changelog.

Mypy Release Notes

Next Release

Mypy 2.1

We’ve just uploaded mypy 2.1.0 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.

librt.vecs: Fast Growable Array Type for Mypyc

The new librt.vecs module provides an efficient growable array type vec that is optimized for mypyc use. It provides fast, packed arrays with integer and floating point value types, which can be several times faster than list, and tens of times faster than array.array in code compiled using mypyc. It also supports nested vec objects and non-value-type items, such as vec[vec[str]].

Refer to the documentation for the details.

Contributed by Jukka Lehtosalo.

librt.random: Fast Pseudo-Random Number Generation

The new librt.random module provides fast pseudo-random number generation that is optimized for code compiled using mypyc. It can be 3x to 10x faster than the stdlib random module in compiled code.

Refer to the documentation for the details.

Contributed by Jukka Lehtosalo (PR 21433).

Mypyc Improvements

  • Enable incremental self-compilation (Vaggelis Danias, PR 21369)
  • Make compilation order with multiple files consistent (Piotr Sawicki, PR 21419)
  • Fix crash on accessing StopAsyncIteration (Piotr Sawicki, PR 21406)
  • Fix incremental compilation with separate flag (Vaggelis Danias, PR 21299)

Fixes to Crashes

  • Fix crash on partial type with --allow-redefinition and global declaration (Jukka Lehtosalo, PR 21428)
  • Fix broken awaitable generator patching (Ivan Levkivskyi, PR 21435)

... (truncated)

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@dependabot dependabot Bot added dependencies Pull requests that update a dependency file python Pull requests that update Python code labels Jun 1, 2026
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codecov Bot commented Jun 1, 2026

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 100.00%. Comparing base (fca653f) to head (734b166).

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@@            Coverage Diff            @@
##            master      #229   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files           76        76           
  Lines         1311      1311           
  Branches       120       120           
=========================================
  Hits          1311      1311           

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@Aegdesil Aegdesil enabled auto-merge June 1, 2026 17:07
@dependabot dependabot Bot force-pushed the dependabot/pip/mypy-2.1.0 branch 2 times, most recently from 80017a6 to 19ba843 Compare June 1, 2026 17:12
Bumps [mypy](https://github.com/python/mypy) from 1.19.1 to 2.1.0.
- [Changelog](https://github.com/python/mypy/blob/master/CHANGELOG.md)
- [Commits](python/mypy@v1.19.1...v2.1.0)

---
updated-dependencies:
- dependency-name: mypy
  dependency-version: 2.1.0
  dependency-type: direct:development
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>
@dependabot dependabot Bot force-pushed the dependabot/pip/mypy-2.1.0 branch from 19ba843 to 734b166 Compare June 1, 2026 17:15
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sonarqubecloud Bot commented Jun 1, 2026

@Aegdesil Aegdesil merged commit 20e859b into master Jun 1, 2026
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@Aegdesil Aegdesil deleted the dependabot/pip/mypy-2.1.0 branch June 1, 2026 17:16
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