Simon Willison’s Weblog

How to Use Static Type Checking in Python 3.6 (via) Useful introduction to optional static typing in Python 3.6, including how to use mypy, PyCharm and the Atom mypy plugin.

Posted 19th April 2018 at 6:30 pm

Recent articles

JustHTML is a fascinating example of vibe engineering in action - 14th December 2025
OpenAI are quietly adopting skills, now available in ChatGPT and Codex CLI - 12th December 2025
GPT-5.2 - 11th December 2025

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