Simon Willison’s Weblog

28th January 2023

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TIL Installing lxml for Python on an M1/M2 Mac — I ran into this error while trying to run `pip install lxml` on an M2 Mac, inside a virtual environment I had intitially created using `pipenv shell`:

Posted 28th January 2023 at 6:58 am

Recent articles

A Fireside Chat with Cat and Thariq from the Claude Code team - 21st July 2026
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The new GPT-5.6 family: Luna, Terra, Sol - 9th July 2026

This is a beat by Simon Willison, posted on 28th January 2023.

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