I'm storing sensitive info like the auth token in environment variables. The problem is, the python script can only see them when I run the script manually from the shell (so I know that the code ...

Official support for free-threaded Python, an experimental JIT, and a smarter installation manager for Windows are among the goodies in Python 3.14. Now in a release candidate.

If you want to use the old interactive shell instead of the new one or have to for backwards compatibility reasons, you can activate it via the environment variable PYTHON_BASIC_REPL.