macrecovery can't download

Hi, I'm trying to get files from "macrecovery" but when I type the command nothing happens. Of course I have Python installed. Can someone help?

https://preview.redd.it/wik22apz9ug61.png?width=1366&format=png&auto=webp&s=65d882080e56336d983e52d8a86208b9a2d9fabb