Simon Willison’s Weblog

25th April 2007 - Link Blog

The joy of pdb.set_trace(). I use nosetests --pdb-failures as my main entrypoint for Python debugging—it starts the debugger at the first failing test.

Posted 25th April 2007 at 11:37 pm

Recent articles

Experimenting with Starlette 1.0 with Claude skills - 22nd March 2026
Profiling Hacker News users based on their comments - 21st March 2026
Thoughts on OpenAI acquiring Astral and uv/ruff/ty - 19th March 2026

This is a link post by Simon Willison, posted on 25th April 2007.

debugging 35 nose 5 pdb 6 python 1237 testing 92

Monthly briefing

Sponsor me for $10/month and get a curated email digest of the month's most important LLM developments.

Pay me to send you less!

Sponsor & subscribe