The address given in the command line seems to be the SkyController one connected also on the wifi network of the drone.
The scripts then talks to the webserver and secure element of the Skycontroller instead on the drone (and there is a similar API but the authentication serveur does not accept the challenge.
The correct address for the drone over wifi is 192.168.42.1.
Normally the script should be able to detect automatically the correct address of the drone via its name on the network (anafi-ai.local)