Go to the Visual Studio Code preferences, and under interpreter, you'll find , so set that to the path of your Python installation, restart Visual Studio Code, and you should be good.
Any chance you can change this to xth (ex: 6th) instead of spelling it out (ex: Sixth) in the Alla's database to better match the way it is referenced in-game? That will also keep the naming convention consistent for all the anniversary stuff. So when searching for the quests and/or achievements it would show up, altogether when searching a single term (ex: 6th). I kept search for 6th trying ...