chore(deps): update devdependencies

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
mypy (changelog)	>=1.14.1 -> >=1.15.0
ruff (source, changelog)	>=0.8.5 -> >=0.9.4

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Release Notes

python/mypy (mypy)

v1.15.0

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astral-sh/ruff (ruff)

v0.9.4

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Preview features

• [airflow] Extend airflow context parameter check for BaseOperator.execute (AIR302) (#​15713)
• [airflow] Update AIR302 to check for deprecated context keys (#​15144)
• [flake8-bandit] Permit suspicious imports within stub files (S4) (#​15822)
• [pylint] Do not trigger PLR6201 on empty collections (#​15732)
• [refurb] Do not emit diagnostic when loop variables are used outside loop body (FURB122) (#​15757)
• [ruff] Add support for more re patterns (RUF055) (#​15764)
• [ruff] Check for shadowed map before suggesting fix (RUF058) (#​15790)
• [ruff] Do not emit diagnostic when all arguments to zip() are variadic (RUF058) (#​15744)
• [ruff] Parenthesize fix when argument spans multiple lines for unnecessary-round (RUF057) (#​15703)

Rule changes

• Preserve quote style in generated code (#​15726, #​15778, #​15794)
• [flake8-bugbear] Exempt NewType calls where the original type is immutable (B008) (#​15765)
• [pylint] Honor banned top-level imports by TID253 in PLC0415. (#​15628)
• [pyupgrade] Ignore is_typeddict and TypedDict for deprecated-import (UP035) (#​15800)

CLI

• Fix formatter warning message for flake8-quotes option (#​15788)
• Implement tab autocomplete for ruff config (#​15603)

Bug fixes

• [flake8-comprehensions] Do not emit unnecessary-map diagnostic when lambda has different arity (C417) (#​15802)
• [flake8-comprehensions] Parenthesize sorted when needed for unnecessary-call-around-sorted (C413) (#​15825)
• [pyupgrade] Handle end-of-line comments for quoted-annotation (UP037) (#​15824)

Documentation

• Add missing config docstrings (#​15803)
• Add references to trio.run_process and anyio.run_process (#​15761)
• Use uv init --lib in tutorial (#​15718)

v0.9.3

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Preview features

• [airflow] Argument fail_stop in DAG has been renamed as fail_fast (AIR302) (#​15633)
• [airflow] Extend AIR303 with more symbols (#​15611)
• [flake8-bandit] Report all references to suspicious functions (S3) (#​15541)
• [flake8-pytest-style] Do not emit diagnostics for empty for loops (PT012, PT031) (#​15542)
• [flake8-simplify] Avoid double negations (SIM103) (#​15562)
• [pyflakes] Fix infinite loop with unused local import in __init__.py (F401) (#​15517)
• [pylint] Do not report methods with only one EM101-compatible raise (PLR6301) (#​15507)
• [pylint] Implement redefined-slots-in-subclass (W0244) (#​9640)
• [pyupgrade] Add rules to use PEP 695 generics in classes and functions (UP046, UP047) (#​15565, #​15659)
• [refurb] Implement for-loop-writes (FURB122) (#​10630)
• [ruff] Implement needless-else clause (RUF047) (#​15051)
• [ruff] Implement starmap-zip (RUF058) (#​15483)

Rule changes

• [flake8-bugbear] Do not raise error if keyword argument is present and target-python version is less or equals than 3.9 (B903) (#​15549)
• [flake8-comprehensions] strip parentheses around generators in unnecessary-generator-set (C401) (#​15553)
• [flake8-pytest-style] Rewrite references to .exception (PT027) (#​15680)
• [flake8-simplify] Mark fixes as unsafe (SIM201, SIM202) (#​15626)
• [flake8-type-checking] Fix some safe fixes being labeled unsafe (TC006,TC008) (#​15638)
• [isort] Omit trailing whitespace in unsorted-imports (I001) (#​15518)
• [pydoclint] Allow ignoring one line docstrings for DOC rules (#​13302)
• [pyflakes] Apply redefinition fixes by source code order (F811) (#​15575)
• [pyflakes] Avoid removing too many imports in redefined-while-unused (F811) (#​15585)
• [pyflakes] Group redefinition fixes by source statement (F811) (#​15574)
• [pylint] Include name of base class in message for redefined-slots-in-subclass (W0244) (#​15559)
• [ruff] Update fix for RUF055 to use var == value (#​15605)

Formatter

• Fix bracket spacing for single-element tuples in f-string expressions (#​15537)
• Fix unstable f-string formatting for expressions containing a trailing comma (#​15545)

Performance

• Avoid quadratic membership check in import fixes (#​15576)

Server

• Allow unsafe-fixes settings for code actions (#​15666)

Bug fixes

• [flake8-bandit] Add missing single-line/dotall regex flag (S608) (#​15654)
• [flake8-import-conventions] Fix infinite loop between ICN001 and I002 (ICN001) (#​15480)
• [flake8-simplify] Do not emit diagnostics for expressions inside string type annotations (SIM222, SIM223) (#​15405)
• [pyflakes] Treat arguments passed to the default= parameter of TypeVar as type expressions (F821) (#​15679)
• [pyupgrade] Avoid syntax error when the iterable is a non-parenthesized tuple (UP028) (#​15543)
• [ruff] Exempt NewType calls where the original type is immutable (RUF009) (#​15588)
• Preserve raw string prefix and escapes in all codegen fixes (#​15694)

Documentation

• Generate documentation redirects for lowercase rule codes (#​15564)
• TRY300: Add some extra notes on not catching exceptions you didn't expect (#​15036)

v0.9.2

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Preview features

• [airflow] Fix typo "security_managr" to "security_manager" (AIR303) (#​15463)
• [airflow] extend and fix AIR302 rules (#​15525)
• [fastapi] Handle parameters with Depends correctly (FAST003) (#​15364)
• [flake8-pytest-style] Implement pytest.warns diagnostics (PT029, PT030, PT031) (#​15444)
• [flake8-pytest-style] Test function parameters with default arguments (PT028) (#​15449)
• [flake8-type-checking] Avoid false positives for | in TC008 (#​15201)

Rule changes

• [flake8-todos] Allow VSCode GitHub PR extension style links in missing-todo-link (TD003) (#​15519)
• [pyflakes] Show syntax error message for F722 (#​15523)

Formatter

• Fix curly bracket spacing around f-string expressions containing curly braces (#​15471)
• Fix joining of f-strings with different quotes when using quote style Preserve (#​15524)

Server

• Avoid indexing the same workspace multiple times (#​15495)
• Display context for ruff.configuration errors (#​15452)

Configuration

• Remove flatten to improve deserialization error messages (#​15414)

Bug fixes

• Parse triple-quoted string annotations as if parenthesized (#​15387)
• [fastapi] Update Annotated fixes (FAST002) (#​15462)
• [flake8-bandit] Check for builtins instead of builtin (S102, PTH123) (#​15443)
• [flake8-pathlib] Fix --select for os-path-dirname (PTH120) (#​15446)
• [ruff] Fix false positive on global keyword (RUF052) (#​15235)

v0.9.1

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Preview features

• [pycodestyle] Run too-many-newlines-at-end-of-file on each cell in notebooks (W391) (#​15308)
• [ruff] Omit diagnostic for shadowed private function parameters in used-dummy-variable (RUF052) (#​15376)

Rule changes

• [flake8-bugbear] Improve assert-raises-exception message (B017) (#​15389)

Formatter

• Preserve trailing end-of line comments for the last string literal in implicitly concatenated strings (#​15378)

Server

• Fix a bug where the server and client notebooks were out of sync after reordering cells (#​15398)

Bug fixes

• [flake8-pie] Correctly remove wrapping parentheses (PIE800) (#​15394)
• [pyupgrade] Handle comments and multiline expressions correctly (UP037) (#​15337)

v0.9.0

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Check out the blog post for a migration guide and overview of the changes!

Breaking changes

Ruff now formats your code according to the 2025 style guide. As a result, your code might now get formatted differently. See the formatter section for a detailed list of changes.

This release doesn’t remove or remap any existing stable rules.

Stabilization

The following rules have been stabilized and are no longer in preview:

• stdlib-module-shadowing (A005).
  This rule has also been renamed: previously, it was called builtin-module-shadowing.
• builtin-lambda-argument-shadowing (A006)
• slice-to-remove-prefix-or-suffix (FURB188)
• boolean-chained-comparison (PLR1716)
• decimal-from-float-literal (RUF032)
• post-init-default (RUF033)
• useless-if-else (RUF034)

The following behaviors have been stabilized:

• pytest-parametrize-names-wrong-type (PT006): Detect pytest.parametrize calls outside decorators and calls with keyword arguments.
• module-import-not-at-top-of-file (E402): Ignore pytest.importorskip calls between import statements.
• mutable-dataclass-default (RUF008) and function-call-in-dataclass-default-argument (RUF009): Add support for attrs.
• bad-version-info-comparison (PYI006): Extend the rule to check non-stub files.

The following fixes or improvements to fixes have been stabilized:

• redundant-numeric-union (PYI041)
• duplicate-union-members (PYI016)

Formatter

This release introduces the new 2025 stable style (#​13371), stabilizing the following changes:

• Format expressions in f-string elements (#​7594)
• Alternate quotes for strings inside f-strings (#​13860)
• Preserve the casing of hex codes in f-string debug expressions (#​14766)
• Choose the quote style for each string literal in an implicitly concatenated f-string rather than for the entire string (#​13539)
• Automatically join an implicitly concatenated string into a single string literal if it fits on a single line (#​9457)
• Remove the ISC001 incompatibility warning (#​15123)
• Prefer parenthesizing the assert message over breaking the assertion expression (#​9457)
• Automatically parenthesize over-long if guards in match case clauses (#​13513)
• More consistent formatting for match case patterns (#​6933)
• Avoid unnecessary parentheses around return type annotations (#​13381)
• Keep the opening parentheses on the same line as the if keyword for comprehensions where the condition has a leading comment (#​12282)
• More consistent formatting for with statements with a single context manager for Python 3.8 or older (#​10276)
• Correctly calculate the line-width for code blocks in docstrings when using max-doc-code-line-length = "dynamic" (#​13523)

Preview features

• [flake8-bugbear] Implement class-as-data-structure (B903) (#​9601)
• [flake8-type-checking] Apply quoted-type-alias more eagerly in TYPE_CHECKING blocks and ignore it in stubs (TC008) (#​15180)
• [pylint] Ignore eq-without-hash in stub files (PLW1641) (#​15310)
• [pyupgrade] Split UP007 into two individual rules: UP007 for Union and UP045 for Optional (UP007, UP045) (#​15313)
• [ruff] New rule that detects classes that are both an enum and a dataclass (RUF049) (#​15299)
• [ruff] Recode RUF025 to RUF037 (RUF037) (#​15258)

Rule changes

• [flake8-builtins] Ignore stdlib-module-shadowing in stub files(A005) (#​15350)
• [flake8-return] Add support for functions returning typing.Never (RET503) (#​15298)

Server

• Improve the observability by removing the need for the "trace" value to turn on or off logging. The server logging is solely controlled using the logLevel server setting
  which defaults to info. This addresses the issue where users were notified about an error and told to consult the log, but it didn’t contain any messages. (#​15232)
• Ignore diagnostics from other sources for code action requests (#​15373)

CLI

• Improve the error message for --config key=value when the key is for a table and it’s a simple value

Bug fixes

• [eradicate] Ignore metadata blocks directly followed by normal blocks (ERA001) (#​15330)
• [flake8-django] Recognize other magic methods (DJ012) (#​15365)
• [pycodestyle] Avoid false positives related to type aliases (E252) (#​15356)
• [pydocstyle] Avoid treating newline-separated sections as sub-sections (D405) (#​15311)
• [pyflakes] Remove call when removing final argument from format (F523) (#​15309)
• [refurb] Mark fix as unsafe when the right-hand side is a string (FURB171) (#​15273)
• [ruff] Treat ) as a regex metacharacter (RUF043, RUF055) (#​15318)
• [ruff] Parenthesize the int-call argument when removing the int call would change semantics (RUF046) (#​15277)

v0.8.6

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Preview features

• [format]: Preserve multiline implicit concatenated strings in docstring positions (#​15126)
• [ruff] Add rule to detect empty literal in deque call (RUF025) (#​15104)
• [ruff] Avoid reporting when ndigits is possibly negative (RUF057) (#​15234)

Rule changes

• [flake8-todos] remove issue code length restriction (TD003) (#​15175)
• [pyflakes] Ignore errors in @no_type_check string annotations (F722, F821) (#​15215)

CLI

• Show errors for attempted fixes only when passed --verbose (#​15237)

Bug fixes

• [ruff] Avoid syntax error when removing int over multiple lines (RUF046) (#​15230)
• [pyupgrade] Revert "Add all PEP-585 names to UP006 rule" (#​15250)

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