Simon Willison’s Weblog

1st April 2022

None

TIL Treating warnings as errors in pytest — I was seeing this warning in a Django project when I thought I was correctly using timezone-aware dates everywhere:

Posted 1st April 2022 at 5:35 pm

Recent articles

One-shotting a Raccoon Heist game using Claude Fable 5 - 5th August 2026
New release of LLM adds support for reasoning traces, OpenAI Responses, server-side tools, and smarter logging - 4th August 2026
Stateless MCP has recaptured my interest (and inspired mcp-explorer and datasette-mcp) - 31st July 2026

This is a beat by Simon Willison, posted on 1st April 2022.

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