If you want to fix a Python runtime error, first, read the error message. That will tell you exactly what and where to look for it. Get inside to learn more ...

This happens regardless of whether or not pandas is in-use by the application. The problem can be avoided by making sure to join all theads before main exits, but this is not generally required by ...

Summary uvloop is causing RuntimeError: unable to perform operation on <TCPTransport closed=True> errors when used with Python 3.13. Switching to --loop asyncio fixes the issue.