Update dev dependencies

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
hypothesis (changelog)	==6.155.7 → ==6.156.4
mypy (changelog)	==2.1.0 → ==2.2.0
ruff (source, changelog)	==0.15.20 → ==0.15.21
tox (changelog)	==4.56.1 → ==4.56.4

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Release Notes

HypothesisWorks/hypothesis (hypothesis)

v6.156.4: Hypothesis version 6.156.4

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In addition to our version-specific wheels, we now also publish "abi3"
wheels, built against the 3.10 stable ABI.

The canonical version of these notes (with links) is on readthedocs.

v6.156.3: Hypothesis version 6.156.3

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Fix not uploading source distributions to PyPI, as of v6.156.0.

v6.156.2: Hypothesis version 6.156.2

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This patch fixes a KeyError in |GitHubArtifactDatabase| when reading an
artifact whose zip file contains no explicit directory entries, which is the
case for zips produced by actions/upload-artifact.

v6.156.1: Hypothesis version 6.156.1

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This patch fixes our build pipeline from v6.156.0, so that wheels are actually published.

python/mypy (mypy)

v2.2.0

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astral-sh/ruff (ruff)

v0.15.21

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Released on 2026-07-09.

Preview features

• Add --add-ignore for adding ruff:ignore comments (#​26346)
• [flake8-comprehensions] Drop C409 tuple comprehension preview behavior (#​25707)
• Avoid whitespace normalization when formatting comments (#​26455)
• [pyupgrade] Lint and fix use of deprecated abc decorators (UP051) (#​26417)

Bug fixes

• Refine non-empty f-string detection (#​26526)
• Detect syntax errors in individual notebook cells (#​26419)
• [flake8-implicit-str-concat] Fix ISC003 autofix incorrectly stripping + from comments (#​26554)

Rule changes

• [flake8-executable] Mark EXE004 fix as unsafe (#​26033)
• [flake8-pyi] Mark PYI061 fixes as unsafe in Python files (#​26533)
• [pydocstyle] Skip overload-with-docstring in stub files (D418) (#​26318)

Performance

• Avoid per-token source index visitor calls (#​26506)
• Cache parenthesized expression boundaries in the formatter (#​26344)
• Improve performance of rendering edits in preview mode (#​26565)
• Inline fits_element in formatter (#​26429)
• Inline formatter printing hot paths (#​26504)
• Lazily create builtin bindings (#​26510)
• Skip empty trivia scans in the source indexer (#​26507)
• Use ICF for macOS release builds (#​25780)

Formatter

• Add --extend-exclude to ruff format (#​26372)

Documentation

• Add "How does Ruff's import sorting compare to isort?" link to README (#​26530)
• Fix Mozilla Firefox repository link in README (#​26537)
• [flake8-bandit] Fix misleading docstring for mako-templates (S702) (#​26432)
• [ruff] Fix non-triggering example for if-key-in-dict-del (RUF051) (#​26433)

Contributors

• @​EkriirkE
• @​tingerrr
• @​s-rigaud
• @​nikolauspschuetz
• @​Avasam
• @​ntBre
• @​omar-y-abdi
• @​AlexWaygood
• @​sylvestre
• @​shaanmajid
• @​lerebear
• @​baltasarblanco
• @​Sanjays2402
• @​ZedThree
• @​servusdei2018
• @​charliermarsh
• @​jesco-absolute
• @​velikodniy
• @​zaniebot
• @​epage

tox-dev/tox (tox)

v4.56.4

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What's Changed

• 🐛 fix(discovery): find debug interpreters like python3.13-dbg by @​gaborbernat in #​3978

Full Changelog: tox-dev/tox@4.56.3...4.56.4

v4.56.3

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What's Changed

• Don't double-close the child pty fd (fixes parallel Bad file descriptor) (#​3975) by @​apoorvdarshan in #​3976

New Contributors

• @​apoorvdarshan made their first contribution in #​3976

Full Changelog: tox-dev/tox@4.56.2...4.56.3

v4.56.2

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What's Changed

• 🔧 chore(type): drop stale ty invalid-assignment ignores by @​gaborbernat in #​3970
• Fix 17 bugs found in a deep codebase sweep by @​gaborbernat in #​3974

Full Changelog: tox-dev/tox@4.56.1...4.56.2

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