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

The Pelican comparison grid for Astra is pretty interesting - 4th September 2026
OpenAI's rogue agents were caught communicating via public wikis - 4th September 2026
Claude's new system prompt really doesn't want to reproduce song lyrics - 2nd September 2026

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

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