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Tooling

Ruff

A Rust-based linter and formatter replacing flake8, isort, pyupgrade, bandit and black.

Why interviewers ask about it

Know the boundary: Ruff does no type inference, so mypy or pyright stays in the stack. Fast enough to run in a pre-commit hook without friction.

Related terms

uv

A Rust-based Python package and project manager from Astral, replacing pip, pip-tools, virtualenv, pyenv and twine.

mypy / pyright

Static type checkers that verify annotations without running the code.

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