Can't read CSV even in Python 3.15? Practice specifying character encoding

"I updated Python, but I can't read Japanese CSV files." When you open a file you've received and see a string of English ...

It's just luck that it works — 74.5% of 455 AI libraries were importing dependencies not listed in requirements.txt

Yet, it's a ModuleNotFoundError in CI. When you ask an AI agent to 'set this up and run it,' it stops at the very first step.