The SQLAlchemy Enum Bug That Broke My PostgreSQL Migrations (and the values_callable Fix)

📰 Medium · Python

Learn how to fix the SQLAlchemy Enum bug that breaks PostgreSQL migrations with the values_callable fix

intermediate Published 6 Jul 2026
Action Steps
  1. Identify the SQLAlchemy Enum bug in your PostgreSQL migrations
  2. Use the values_callable fix to resolve the issue
  3. Apply the fix to your migration scripts
  4. Test the migration scripts to ensure they work correctly
  5. Configure your SQLAlchemy setup to use the values_callable fix by default
Who Needs to Know This

Backend developers and DevOps engineers working with PostgreSQL and SQLAlchemy will benefit from this article, as it provides a solution to a common migration issue

Key Insight

💡 The values_callable fix can resolve the SQLAlchemy Enum bug that breaks PostgreSQL migrations

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💡 Fix the SQLAlchemy Enum bug that breaks PostgreSQL migrations with values_callable!

Key Takeaways

Learn how to fix the SQLAlchemy Enum bug that breaks PostgreSQL migrations with the values_callable fix

Full Article

A real debugging story from building WorkPro — a FastAPI + PostgreSQL backend for field service tradespeople. Continue reading on Medium »
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