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build(deps): bump mypy from 1.20.1 to 1.20.2#105

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Apr 22, 2026
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build(deps): bump mypy from 1.20.1 to 1.20.2#105
mergify[bot] merged 1 commit intomasterfrom
dependabot/uv/mypy-1.20.2

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@dependabot dependabot Bot commented on behalf of github Apr 22, 2026

Bumps mypy from 1.20.1 to 1.20.2.

Changelog

Sourced from mypy's changelog.

Mypy 1.20.1

  • Always disable sync in SQLite cache (Ivan Levkivskyi, PR 21184)
  • Temporarily skip few base64 tests (Ivan Levkivskyi, PR 21193)
  • Revert dict.__or__ typeshed change (Ivan Levkivskyi, PR 21186)
  • Fix narrowing for match case with variadic tuples (Shantanu, PR 21192)
  • Avoid narrowing type[T] in type calls (Shantanu, PR 21174)
  • Fix regression for catching empty tuple in except (Shantanu, PR 21153)
  • Fix reachability for frozenset and dict view narrowing (Shantanu, PR 21151)
  • Fix narrowing with chained comparison (Shantanu, PR 21150)
  • Avoid narrowing to unreachable at module level (Shantanu, PR 21144)
  • Allow dangerous identity comparisons to Any typed variables (Shantanu, PR 21142)
  • --warn-unused-config should not be a strict flag (Ivan Levkivskyi, PR 21139)

Mypy 1.20.2

  • Use WAL with SQLite cache and fix close (Shantanu, PR 21154)
  • Adjust SQLite journal mode (Ivan Levkivskyi, PR 21217)
  • Correctly aggregate narrowing information on parent expressions (Shantanu, PR 21206)
  • Fix regression related to generic callables (Shantanu, PR 21208)
  • Fix regression by avoiding widening types in some contexts (Shantanu, PR 21242)
  • Fix slicing in non-strict optional mode (Shantanu, PR 21282)
  • mypyc: Fix match statement semantics for "or" pattern (Shantanu, PR 21156)
  • mypyc: Fix issue with module dunder attributes (Piotr Sawicki, PR 21275)
  • Initial support for Python 3.15.0a8 (Marc Mueller, PR 21255)

Acknowledgements

Thanks to all mypy contributors who contributed to this release:

  • A5rocks
  • Aaron Wieczorek
  • Adam Turner
  • Ali Hamdan
  • asce
  • BobTheBuidler
  • Brent Westbrook
  • Brian Schubert
  • bzoracler
  • Chris Burroughs
  • Christoph Tyralla
  • Colin Watson
  • Donghoon Nam
  • E. M. Bray
  • Emma Smith
  • Ethan Sarp
  • George Ogden
  • getzze
  • grayjk
  • Gregor Riepl
  • Ivan Levkivskyi

... (truncated)

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Bumps [mypy](https://github.com/python/mypy) from 1.20.1 to 1.20.2.
- [Changelog](https://github.com/python/mypy/blob/master/CHANGELOG.md)
- [Commits](python/mypy@v1.20.1...v1.20.2)

---
updated-dependencies:
- dependency-name: mypy
  dependency-version: 1.20.2
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
@dependabot dependabot Bot added dependencies Pull requests that update a dependency file python:uv Pull requests that update python:uv code labels Apr 22, 2026
@mergify mergify Bot merged commit bb02f2a into master Apr 22, 2026
10 of 11 checks passed
@mergify mergify Bot deleted the dependabot/uv/mypy-1.20.2 branch April 22, 2026 13:21
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codecov Bot commented Apr 22, 2026

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 100.00%. Comparing base (4bb7fb8) to head (4d8eae4).
⚠️ Report is 1 commits behind head on master.

Additional details and impacted files
@@            Coverage Diff            @@
##            master      #105   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files            2         2           
  Lines            5         5           
=========================================
  Hits             5         5           

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