PyCQA/pycodestyle

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Simple Python style checker in one Python file

Stars: 5.2k
Forks: 754
Open beginner issues: 0
Indexed issues: 89

Dominant language: Python
License: No license data
Last GitHub push: Aug 16, 2026
Latest indexed: Sep 19, 2026
Contributing guide: Contributing guide
Code of conduct: No code of conduct
Beginner labels: help wanted
PR merge metrics: No merged PRs in 30d

Beginner friendly Everything

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89 open issues indexed

Typing and formatting Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

PyCQA/pycodestyle#1302 · 3 comments · Opened Oct 29, 2025
DOC: E252 is not documented Open

Difficulty 1/5 Under an hour Newbie friendliness 82/100

PyCQA/pycodestyle#1294 · 1 comment · Opened Aug 5, 2025
E122: No valid indent for long function call nested in f-string? Open

Difficulty 3/5 1-2 days Newbie friendliness 42/100

PyCQA/pycodestyle#1242 · 2 comments · Opened Apr 25, 2024
Spurious E231 for nested format substitutions Open

Difficulty 3/5 1-2 days Newbie friendliness 68/100

PyCQA/pycodestyle#1241 · 2 comments · 4 reactions · Opened Apr 25, 2024
`exclude` is applied to `.` Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

PyCQA/pycodestyle#1217 · Opened Nov 30, 2023
`indent-size` not considered when computing length of tab-indented lines. Open

Difficulty 2/5 1-3 hours Newbie friendliness 35/100

PyCQA/pycodestyle#1189 · 5 comments · 1 reaction · Opened Aug 9, 2023
E721: pycodestyle v2.11.0 does not raise the error to `int == type(obj)` Open

Difficulty 2/5 1-3 hours Newbie friendliness 48/100

PyCQA/pycodestyle#1187 · Opened Aug 6, 2023
E115, Expected an indented block (comment), not detected Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

PyCQA/pycodestyle#1137 · Opened Mar 29, 2023
E731 false negatives Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

PyCQA/pycodestyle#1061 · 3 comments · Opened Mar 27, 2022
E131: inconsistent reporting when comment present on initial line Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

PyCQA/pycodestyle#1055 · Opened Feb 15, 2022
E117: False positive with tab indentation Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

PyCQA/pycodestyle#1013 · 1 comment · 2 reactions · Opened Sep 16, 2021
E306: False positive when preceded by 2 blank lines and a comment Open

Difficulty 3/5 1-2 days Newbie friendliness 55/100

PyCQA/pycodestyle#1011 · Opened Sep 3, 2021
E231: Check misses trailing comma in function or class calls that do not end with whitespace Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

PyCQA/pycodestyle#980 · 5 comments · Opened Feb 24, 2021
E126: asks for less indent on one-line protocol functions Open

help wanted needs patch needs test

Difficulty 3/5 1-2 days Newbie friendliness 35/100

PyCQA/pycodestyle#956 · 1 comment · 1 reaction · Opened Aug 5, 2020
E131 applies inconsistently with nested calls Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

PyCQA/pycodestyle#953 · Opened Jul 16, 2020
W504: positional only / keyword only argument marker at end of long line Open

Difficulty 2/5 1-3 hours Newbie friendliness 45/100

PyCQA/pycodestyle#951 · 3 comments · 8 reactions · Opened Jul 14, 2020
W292: error message gets shown three times Open

Difficulty 2/5 1-3 hours Newbie friendliness 35/100

PyCQA/pycodestyle#948 · 1 comment · Opened Jun 30, 2020
E222: Disallow whitespace after unary negative? Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

PyCQA/pycodestyle#941 · 2 comments · Opened May 26, 2020
Docu: missing return values for Checker.check_all() Open

Difficulty 3/5 1-2 days Newbie friendliness 42/100

PyCQA/pycodestyle#937 · Opened May 17, 2020
W606: false positive when selecting async function from list by index Open

Difficulty 3/5 1-2 days Newbie friendliness 38/100

PyCQA/pycodestyle#936 · 1 reaction · Opened May 16, 2020
E128: Indentation checks could contain exact information Open

Difficulty 2/5 1-3 hours Newbie friendliness 45/100

PyCQA/pycodestyle#928 · 4 comments · Opened Apr 28, 2020
E301: reported incorrectly after ignored E303 Open

Difficulty 3/5 1-2 days Newbie friendliness 38/100

PyCQA/pycodestyle#925 · 1 comment · 2 reactions · Opened Apr 20, 2020
Advanced usage question: How to call the pycodestyle with custom rule in the external file Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

PyCQA/pycodestyle#917 · 1 comment · Opened Mar 22, 2020
More fine-grained control of docstring and comment length Open

Difficulty 5/5 Over a week Newbie friendliness 28/100

PyCQA/pycodestyle#906 · 2 comments · Opened Feb 5, 2020
E127: method chaining Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

PyCQA/pycodestyle#898 · 7 comments · 1 reaction · Opened Dec 18, 2019
Example showing string parsing instead of file parsing? Open

Difficulty 3/5 1-2 days Newbie friendliness 30/100

PyCQA/pycodestyle#889 · Opened Oct 23, 2019
E711: Expression ending in None followed by == <other> results in incorrect Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

PyCQA/pycodestyle#887 · Opened Oct 17, 2019
E721: suggest reasonable alternative Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

PyCQA/pycodestyle#882 · 12 comments · Opened Aug 23, 2019
Show warnings for un-used `noqa` comments Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

PyCQA/pycodestyle#871 · 1 comment · Opened Jun 24, 2019
E731: assignment of lambda is not detected if parenthesized Open

Difficulty 2/5 1-3 hours Newbie friendliness 52/100

PyCQA/pycodestyle#868 · 2 reactions · Opened May 30, 2019
E701: Move one-liner classes from E701 to E704? Open

Difficulty 3/5 1-2 days Newbie friendliness 42/100

PyCQA/pycodestyle#864 · 1 reaction · Opened Apr 9, 2019
E501: Combining diacritics counted against line length Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

PyCQA/pycodestyle#856 · 3 comments · Opened Mar 22, 2019
W504: Relax when operator is only thing on a line Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

PyCQA/pycodestyle#815 · 2 comments · Opened Nov 2, 2018
E501: noqa on long broken line Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

PyCQA/pycodestyle#790 · 1 comment · Opened Aug 31, 2018
E265: error on codecell separator #%% Open

Difficulty 2/5 1-3 hours Newbie friendliness 45/100

PyCQA/pycodestyle#789 · 2 reactions · Opened Aug 27, 2018
Relax E127 with dictionary values: allow extra indent Open

Difficulty 3/5 1-2 days Newbie friendliness 52/100

PyCQA/pycodestyle#785 · 1 comment · 1 reaction · Opened Jul 26, 2018
E303: too many blank lines (2) Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

PyCQA/pycodestyle#775 · 6 reactions · Opened Jul 6, 2018
E501: Option to ignore based on regular expressions Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

PyCQA/pycodestyle#752 · 5 comments · 1 reaction · Opened Apr 14, 2018
E501: URLs not allowed in first line of assigned multiline strings Open

Difficulty 3/5 1-2 days Newbie friendliness 38/100

PyCQA/pycodestyle#750 · 2 comments · Opened Apr 14, 2018
Contextual diff lines checked Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

PyCQA/pycodestyle#749 · 2 comments · Opened Apr 13, 2018
Feature request: Command line option to pipe default configuration to stdout Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

PyCQA/pycodestyle#739 · 7 comments · 1 reaction · Opened Apr 9, 2018
E126: Problem with bad hanging & visual indents Open

Difficulty 4/5 3-5 days Newbie friendliness 42/100

PyCQA/pycodestyle#738 · Opened Apr 8, 2018
many blank lines inside argument lists not reported Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

PyCQA/pycodestyle#737 · 5 comments · Opened Apr 5, 2018
E225: Missing on "z = x**y" Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

PyCQA/pycodestyle#718 · 3 comments · Opened Dec 28, 2017
Crash on triple quoted string with line continuation Open

Difficulty 2/5 1-3 hours Newbie friendliness 38/100

PyCQA/pycodestyle#713 · 10 comments · 1 reaction · Opened Dec 8, 2017
E722: (bare excepts) too strict (reraise) Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

PyCQA/pycodestyle#703 · 17 comments · 4 reactions · Opened Nov 4, 2017
Prevent confusion with unintentional traling commas Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

PyCQA/pycodestyle#691 · 8 comments · 17 reactions · Opened Oct 13, 2017
E127: "continuation line over-indented" when comprehension is an argument Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

PyCQA/pycodestyle#680 · 5 comments · Opened Sep 10, 2017
E131: Inconsistent handling of kwarg with binary operator expression as value Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

PyCQA/pycodestyle#673 · 1 reaction · Opened Aug 9, 2017
E131: Missing lint for inconsistent indentation Open

Difficulty 3/5 1-2 days Newbie friendliness 48/100

PyCQA/pycodestyle#667 · 1 comment · 4 reactions · Opened Jul 12, 2017

PyCQA/pycodestyle

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