chore(deps): update dev dependencies (major)

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
mypy (changelog)	^1.20.2 → ^2.1.0
pytest-asyncio (changelog)	^0.26.0 → ^1.4.0

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Release Notes

python/mypy (mypy)

v2.1.0

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v2.0.0

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pytest-dev/pytest-asyncio (pytest-asyncio)

v1.4.0: pytest-asyncio v1.4.0

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1.4.0 - 2026-05-26

Deprecated

• Overriding the event_loop_policy fixture is deprecated. Use the pytest_asyncio_loop_factories hook instead. (#​1419)

Added

• Added the pytest_asyncio_loop_factories hook to parametrize asyncio tests with custom event loop factories.

  The hook returns a mapping of factory names to loop factories, and pytest.mark.asyncio(loop_factories=[...]) selects a subset of configured factories per test. When a single factory is configured, test names are unchanged.

  Synchronous @pytest_asyncio.fixture functions now see the correct event loop when custom loop factories are configured, even when test code disrupts the current event loop (e.g., via asyncio.run() or asyncio.set_event_loop(None)). (#​1164)

Changed

• Improved the readability of the warning message that is displayed when asyncio_default_fixture_loop_scope is unset (#​1298)
• Only import asyncio.AbstractEventLoopPolicy for type checking to avoid raising
  a DeprecationWarning. (#​1394)
• Updated minimum supported pytest version to v8.4.0. (#​1397)

Fixed

• Fixed a ResourceWarning: unclosed event loop warning that could occur when a synchronous test called asyncio.run() or otherwise unset the current event loop after pytest-asyncio had run an async test or fixture. (#​724)

Notes for Downstream Packagers

• Added dependency on sphinx-tabs >= 3.5 to organize documentation examples into tabs. (#​1395)

v1.3.0: pytest-asyncio 1.3.0

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1.3.0 - 2025-11-10

Removed

• Support for Python 3.9 (#​1278)

Added

• Support for pytest 9 (#​1279)

Notes for Downstream Packagers

• Tested Python versions include free threaded Python 3.14t (#​1274)
• Tests are run in the same pytest process, instead of spawning a subprocess with pytest.Pytester.runpytest_subprocess. This prevents the test suite from accidentally using a system installation of pytest-asyncio, which could result in test errors. (#​1275)

v1.2.0: pytest-asyncio 1.2.0

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1.2.0 - 2025-09-12

Added

• --asyncio-debug CLI option and asyncio_debug configuration option to enable asyncio debug mode for the default event loop. (#​980)
• A pytest.UsageError for invalid configuration values of asyncio_default_fixture_loop_scope and asyncio_default_test_loop_scope. (#​1189)
• Compatibility with the Pyright type checker (#​731)

Fixed

• RuntimeError: There is no current event loop in thread 'MainThread' when any test unsets the event loop (such as when using asyncio.run and asyncio.Runner). (#​1177)
• Deprecation warning when decorating an asynchronous fixture with @pytest.fixture in [strict]{.title-ref} mode. The warning message now refers to the correct package. (#​1198)

Notes for Downstream Packagers

• Bump the minimum required version of tox to v4.28. This change is only relevant if you use the tox.ini file provided by pytest-asyncio to run tests.
• Extend dependency on typing-extensions>=4.12 from Python<3.10 to Python<3.13.

v1.1.1: pytest-asyncio 1.1.1

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v1.1.1 - 2025-09-12

Notes for Downstream Packagers

- Addresses a build problem with setuptoos-scm >= 9 caused by invalid setuptools-scm configuration in pytest-asyncio. (#​1192)

v1.1.0: pytest-asyncio 1.1.0

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Added

• Propagation of ContextVars from async fixtures to other fixtures and tests on Python 3.10 and older (#​127)
• Cancellation of tasks when the loop_scope ends (#​200)
• Warning when the current event loop is closed by a test

Fixed

• Error about missing loop when calling functions requiring a loop in the finally clause of a task (#​878)
• An error that could cause duplicate warnings to be issued

Notes for Downstream Packagers

• Added runtime dependency on backports.asyncio.runner for use with Python 3.10 and older

v1.0.0: pytest-asyncio 1.0.0

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1.0.0 - 2025-05-26

Removed

• The deprecated event_loop fixture.
  (#​1106)

Added

• Prelimiary support for Python 3.14
  (#​1025)

Changed

• Scoped event loops (e.g. module-scoped loops) are created once rather
  than per scope (e.g. per module). This reduces the number of fixtures
  and speeds up collection time, especially for large test suites.
  (#​1107)
• The loop_scope argument to pytest.mark.asyncio no longer forces
  that a pytest Collector exists at the level of the specified scope.
  For example, a test function marked with
  pytest.mark.asyncio(loop_scope="class") no longer requires a class
  surrounding the test. This is consistent with the behavior of the
  scope argument to pytest_asyncio.fixture.
  (#​1112)

Fixed

• An error caused when using pytest's [--setup-plan]{.title-ref}
  option.
  (#​630)
• Unsuppressed import errors with pytest option
  --doctest-ignore-import-errors
  (#​797)
• A "fixture not found" error in connection with package-scoped loops
  (#​1052)

Notes for Downstream Packagers

• Removed a test that had an ordering dependency on other tests.
  (#​1114)

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