flake8 is a python tool that glues together pycodestyle, pyflakes, mccabe, and third-party plugins to check the style and quality of some python code.
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Updated
Sep 29, 2026 - Python
flake8 is a python tool that glues together pycodestyle, pyflakes, mccabe, and third-party plugins to check the style and quality of some python code.
The strictest and most opinionated python linter ever!
🏆 A ranked list of awesome python developer tools and libraries. Updated weekly.
Run ruff, isort, pyupgrade, mypy, pylint, flake8, and more on Jupyter Notebooks
🤝 Design by contract for Python. Write bug-free code. Add a few decorators, get static analysis and tests for free.
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Git pre-receive hook to check commits and code style
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Flake8 plug-in loading the configuration from pyproject.toml
A flake8 plugin checking common style issues or inconsistencies with pytest-based tests.
Flake8 wrapper to make it nice, legacy-friendly, configurable.
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