Get instant feedback while coding. Pyrefly processes 1.8M lines per second, adds smart imports, and supports Visual Studio Code and NeoVim.

Try Pyrefly Beta 0.42.0, now production-ready for IDE use with faster static analysis, auto import updates, and early Pydantic and Django support.

Mypy, a code-linting project created to allow static type checking in Python, has been improved to benefit larger, more complex projects and speed up parsing. One of Python‘s big attractions is its ...