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.
BetaNews

Python 3.15 arrives with lazy imports, UTF-8 by default and a faster JIT

Python 3.15 is out with explicit lazy imports, UTF-8 as the default encoding, frozendict and sentinel types, the Tachyon ...

Python 3.15 released: Lazy imports, UTF-8 and new data types

Python 3.15 is expected to speed up some programs and simplifies handling immutable data. UTF-8 as standard requires testing.
InfoWorld

Soothe your Python frustrations the smart way

Install Python package dependencies without the packages, learn the ins and outs of making standalone Python apps, and install Python on Windows the easy way. For a programming language that is prized ...
InfoWorld

How to package Python apps with BeeWare Briefcase

Python falls short in a few areas. For instance, Python isn’t the fastest language around, but third-party libraries like NumPy let you work around that. Where Python is most deficient, though, is ...