chore(deps): update dependency pytest to v8.4.2

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
pytest (changelog)	8.4.0 → 8.4.2

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Release Notes

pytest-dev/pytest (pytest)

v8.4.2

Compare Source

pytest 8.4.2 (2025-09-03)

Bug fixes

• #​13478: Fixed a crash when using console_output_style{.interpreted-text role="confval"} with times and a module is skipped.

• #​13530: Fixed a crash when using pytest.approx{.interpreted-text role="func"} and decimal.Decimal{.interpreted-text role="class"} instances with the decimal.FloatOperation{.interpreted-text role="class"} trap set.

• #​13549: No longer evaluate type annotations in Python 3.14 when inspecting function signatures.

  This prevents crashes during module collection when modules do not explicitly use from __future__ import annotations and import types for annotations within a if TYPE_CHECKING: block.

• #​13559: Added missing [int]{.title-ref} and [float]{.title-ref} variants to the [Literal]{.title-ref} type annotation of the [type]{.title-ref} parameter in pytest.Parser.addini{.interpreted-text role="meth"}.

• #​13563: pytest.approx{.interpreted-text role="func"} now only imports numpy if NumPy is already in sys.modules. This fixes unconditional import behavior introduced in [8.4.0]{.title-ref}.

Improved documentation

• #​13577: Clarify that pytest_generate_tests is discovered in test modules/classes; other hooks must be in conftest.py or plugins.

Contributor-facing changes

• #​13480: Self-testing: fixed a few test failures when run with -Wdefault or a similar override.
• #​13547: Self-testing: corrected expected message for test_doctest_unexpected_exception in Python 3.14.
• #​13684: Make pytest's own testsuite insensitive to the presence of the CI environment variable -- by ogrisel{.interpreted-text role="user"}.

v8.4.1

Compare Source

pytest 8.4.1 (2025-06-17)

Bug fixes

• #​13461: Corrected _pytest.terminal.TerminalReporter.isatty to support
  being called as a method. Before it was just a boolean which could
  break correct code when using -o log_cli=true).

• #​13477: Reintroduced pytest.PytestReturnNotNoneWarning{.interpreted-text role="class"} which was removed by accident in pytest [8.4]{.title-ref}.

  This warning is raised when a test functions returns a value other than None, which is often a mistake made by beginners.

  See return-not-none{.interpreted-text role="ref"} for more information.

• #​13497: Fixed compatibility with Twisted 25+.

Improved documentation

• #​13492: Fixed outdated warning about faulthandler not working on Windows.

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 96.22%. Comparing base (16c5419) to head (b698753).

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #787   +/-   ##
=======================================
  Coverage   96.22%   96.22%           
=======================================
  Files           7        7           
  Lines         450      450           
  Branches       76       76           
=======================================
  Hits          433      433           
  Misses          4        4           
  Partials       13       13           

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