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Unlike <code>pyflakes</code>, which correctly detects the problem, <code>redefined-while-unused (F811)</code> does not report duplicate imports when <code>if TYPE_CHECKING</code> is used

Status: Open.

#21888 In astral-sh/ruff;

· alessio-locatelli opened on Dec 10, 2025

<code>return-in-generator</code> (<code>B901</code>) - should not be reported on pytest hook wrappers

help wantedContributions especially welcomeContributions especially welcome

previewRelated to preview mode featuresRelated to preview mode features

ruleImplementing or modifying a lint ruleImplementing or modifying a lint rule

Status: Open.

#21881 In astral-sh/ruff;

· DetachHead opened on Dec 9, 2025

Report unmatched range suppression comments

ruleImplementing or modifying a lint ruleImplementing or modifying a lint rule

suppressionRelated to supression of violations e.g. noqaRelated to supression of violations e.g. noqa

Status: Open.

#21878 In astral-sh/ruff;

· amyreese opened on Dec 9, 2025

noqa for unused suppression reported as unused noqa

bugSomething isn't workingSomething isn't working

suppressionRelated to supression of violations e.g. noqaRelated to supression of violations e.g. noqa

Status: Open.

#21877 In astral-sh/ruff;

· amyreese opened on Dec 9, 2025

Report invalid range suppressions and parse errors

ruleImplementing or modifying a lint ruleImplementing or modifying a lint rule

suppressionRelated to supression of violations e.g. noqaRelated to supression of violations e.g. noqa

Status: Open.

#21875 In astral-sh/ruff;

· amyreese opened on Dec 9, 2025

Document new range suppressions

documentationImprovements or additions to documentationImprovements or additions to documentation

suppressionRelated to supression of violations e.g. noqaRelated to supression of violations e.g. noqa

Status: Open.

#21874 In astral-sh/ruff;

· amyreese opened on Dec 9, 2025

Group unused range suppression codes into single diagnostic

bugSomething isn't workingSomething isn't working

ruleImplementing or modifying a lint ruleImplementing or modifying a lint rule

suppressionRelated to supression of violations e.g. noqaRelated to supression of violations e.g. noqa

Status: Open.

#21873 In astral-sh/ruff;

· amyreese opened on Dec 9, 2025

Request: Rule + Autofix to upgrade <code>while 1</code> Python 2 code to <code>while True</code>

needs-decisionAwaiting a decision from a maintainerAwaiting a decision from a maintainer

ruleImplementing or modifying a lint ruleImplementing or modifying a lint rule

Status: Open.

#21870 In astral-sh/ruff;

· Avasam opened on Dec 9, 2025

Documentation: keyword <code>while</code> never matches anything (not even a rule name)

questionAsking for support or clarificationAsking for support or clarification

Status: Open.

#21869 In astral-sh/ruff;

· Avasam opened on Dec 9, 2025

Disagreement with isort

isortRelated to import sortingRelated to import sorting

questionAsking for support or clarificationAsking for support or clarification

Status: Open.

#21863 In astral-sh/ruff;

· thmo opened on Dec 9, 2025

Clash between <code>FURB120</code> and <code>B905</code>

questionAsking for support or clarificationAsking for support or clarification

Status: Open.

#21855 In astral-sh/ruff;

· jamesbraza opened on Dec 9, 2025

new rule: don't use <code>typing.runtime_checkable</code>

needs-decisionAwaiting a decision from a maintainerAwaiting a decision from a maintainer

ruleImplementing or modifying a lint ruleImplementing or modifying a lint rule

Status: Open.

#21841 In astral-sh/ruff;

· KotlinIsland opened on Dec 8, 2025