noxfile.py

# This code would live in a noxfile.py file located at the root of your project directory
import nox

# For this to run you will need to have python3.9, python3.10 and python3.11 installed on your computer. Otherwise nox will skip running tests for whatever versions are missing

@nox.session(python=["3.10", "3.11"])
def test(session):

    # install
    session.install(".[tests]")

    # Run tests
    session.run("pytest")