Python support for Azure Functions is based on Python 3.8, 3.9, 3.10, 3.11, and 3.12 serverless hosting on Linux and the Functions 4.0 runtime.

For now, it is safer to define functions only outside types or docs directories. They can be placed inside src/ as src/some-fn-mod.hat or in folders inside src/, as long as they do not start with "hat ...