Flake8 plugin that helps you write better list/set/dict comprehensions
built by guoguo
completed Sat, 17 Oct 2026 09:24:08 UTC
Description
A flake8 plugin to identify the following patterns:
- C400-402: Unnecessary generator - rewrite as a <list/set/dict> comprehension.
- C403-404: Unnecessary list comprehension - rewrite as a <set/dict>
comprehension.
- C405-406: Unnecessary <list/tuple> literal - rewrite as a <set/dict> literal.
- C408: Unnecessary <dict/list/tuple> call - rewrite as a literal.
- C409-410: Unnecessary <list/tuple> passed to <list/tuple>() - (remove the
outer call to <list/tuple>``()/rewrite as a ``<list/tuple> literal).
- C411: Unnecessary list call - remove the outer call to list().
- C412: Unnecessary <dict/list/set> comprehension - in can take a generator.
- C413: Unnecessary <list/reversed> call around sorted().
- C414: Unnecessary <list/reversed/set/sorted/tuple> call within
<list/set/sorted/tuple>().
- C415: Unnecessary subscript reversal of iterable within
<reversed/set/sorted>().
- C416: Unnecessary <list/set> comprehension - rewrite using <list/set>().
- C417: Unnecessary map usage - rewrite using a generator
expression/<list/set/dict> comprehension.
- C418: Unnecessary <dict/dict comprehension> passed to dict() - remove the
outer call to dict().
- C419 Unnecessary list comprehension in <any/all>() prevents short-
circuiting - rewrite as a generator.
- C420: Unnecessary dict comprehension - rewrite using dict.fromkeys().
RPMs
2 files, 2 archessrc
noarch
Logs
noarch
Changelog
* Thu Jul 16 2026 Fedora Release Engineering <releng@fedoraproject.org> - 3.17.0-5 - Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild * Wed Jun 03 2026 Python Maint <python-maint@redhat.com> - 3.17.0-4 - Rebuilt for Python 3.15 * Sat Jan 17 2026 Fedora Release Engineering <releng@fedoraproject.org> - 3.17.0-3 - Rebuilt for https://fedoraproject.org/wiki/Fedora_44_Mass_Rebuild * Wed Dec 10 2025 Scott K Logan <logans@cottsay.net> - 3.17.0-2 - Revert an upstream patch for better setuptools compatibility * Tue Dec 09 2025 Scott K Logan <logans@cottsay.net> - 3.17.0-1 - Update to 3.17.0 * Fri Sep 19 2025 Python Maint <python-maint@redhat.com> - 3.16.0-3 - Rebuilt for Python 3.14.0rc3 bytecode * Fri Aug 15 2025 Python Maint <python-maint@redhat.com> - 3.16.0-2 - Rebuilt for Python 3.14.0rc2 bytecode * Tue Aug 12 2025 Scott K Logan <logans@cottsay.net> - 3.16.0-1 - Update to 3.16.0 - Drop pytest until flake8-path is available * Fri Jul 25 2025 Fedora Release Engineering <releng@fedoraproject.org> - 3.10.1-13 - Rebuilt for https://fedoraproject.org/wiki/Fedora_43_Mass_Rebuild * Wed Jun 04 2025 Python Maint <python-maint@redhat.com> - 3.10.1-12 - Rebuilt for Python 3.14 * Sat Jan 18 2025 Fedora Release Engineering <releng@fedoraproject.org> - 3.10.1-11 - Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild * Fri Jul 19 2024 Fedora Release Engineering <releng@fedoraproject.org> - 3.10.1-10 - Rebuilt for https://fedoraproject.org/wiki/Fedora_41_Mass_Rebuild