Django: django-upgrade 1.32.0 out now, with 44 AI-assisted bug fixes

django-upgrade is my tool for automatically upgrading your project code for new Django versions. It rewrites your Python files to fix deprecations and adopt some new features, taking a chunk of the monotony out of upgrading between Django versions. Yesterday, I released version 1.32.0, which fixes 44 bugs. Some are big, some are small, and all of them were found by Claude Fable, with this simple prompt: Find and fix bugs Yup, that’s it. Across two rounds of self-directed bug discovery, Claude found and fixed these bugs, matching the coding style and changelog entries. It needed one more prompt to split the fixes into individual commits. I am pretty astounded at how well this little project worked. Claude worked “in the cloud”, while I was doing other stuff, so the bottlenecks to progress were my review capacity and CI runs on GitHub Actions for each commit. My big takeaway is that given such LLM power, the bar for software quality should be raised. Let’s review some of the bugs that…