We assume you already have Python 3 and brew available on your Mac. Thankfully, setup on MacOS X is not so bad!
Note: If you are running VMWare Fusion on MacOS, then you can also try the Windows install process.
Start by installing libusb with
brew install libusb
pip3 install adafruit-blinka
Finally, set the environment variable with
and run python3. In the REPL, type
You should get no errors, and a list of the pins available