I will fix and debug your python bug or script error in an existing repo

I fix one named bug in your existing Python code or script.

What you get:

The fix, as a diff you can read

Your reproduction passing - it fails before the fix and passes after

A short note on what was actually wrong

A list of anything I found but did not touch

Standard adds the tests:

I write the tests that lock the fix, so the bug cannot come back quietly three deploys from now.

Premium is for when the bug is a symptom:

One named path, up to 3 bugs, the tests, run notes for that path, and a written leftover list.

How it works:

You send the bug and a way to reproduce it

I confirm I can reproduce it before the clock starts

You get the fix, the write-up, and your check passing

I work in Python, pytest, FastAPI, data pipelines, scripts, APIs, MySQL, MariaDB and PostgreSQL.

Since 2011 I have run RedRobot, a studio in Tokyo that builds production data systems on the client's own infrastructure. Before that I co-founded and ran MySQL and MariaDB in Japan, and led DataStax's market entry there.

Existing repos only. Not a new app, not Shopify, not WordPress.

If I cannot reproduce your bug, I tell you within a day and you get a full refund. I do not bill for a guess.