Flake8 is an open-source Python tool that checks code for style guide enforcement, syntax errors, and complexity issues. It integrates several tools like PyFlakes, pycodestyle, and McCabe to help developers write clean, readable, and error-free Python code.

Features of Flake8:

• Combines multiple tools: PyFlakes, pycodestyle (PEP 8), and McCabe complexity checker.
• Detects syntax errors, unused imports, and code style violations.
• Highly configurable through command-line options or configuration files.
• Supports plugins to extend linting capabilities.
• Can be integrated into CI/CD pipelines for automated code quality checks.
• Lightweight and easy to run in local and virtual environments.

To check the installed version of Flake8, run these commands in your environment:

$ cd /opt
$ source flake8-env/bin/activate
$ flake8 --version

Disclaimer: Flake8 is open-source software released under the MIT License. It is not affiliated with any commercial organization. For accurate usage, configuration, and updates, consult the official documentation. The maintainers are not responsible for issues resulting from its use. Use responsibly and at your own risk.