Requirement already up-to-date: docopt in. local/lib/python3.6/site-packages (from protonvpn-cli) Requirement already up-to-date: pythondialog in.

Requirement already up-to-date: jinja2 in. Requirement already up-to-date: requests in. Requirement already up-to-date: protonvpn-cli in /usr/local/lib/python3.6/dist-packages If executing pip with sudo, you may want sudo's -H flag. check the permissions and owner of that directory. The directory '/home/user1/.cache/pip' or its parent directory is not owned by the current user and caching wheels has been disabled. Please check the permissions and owner of that directory. Running the -upgrade command again my log says The directory '/home/user1/.cache/pip/http' or its parent directory is not owned by the current user and the cache has been disabled. So still missing option “login” → the protonvpn-cli is not “able to eat” the parameter. reconnect Reconnect to the current ProtonVPN server. d, -disconnect Disconnect the current session. cc Connect to the fastest available server in a specific country. cc, -country-connect Select and connect to a ProtonVPN server by country. sc, -secure-core-connect Connect to the fastest available ProtonVPN SecureCore server. tor, -tor-connect Connect to the fastest available ProtonVPN TOR server. p2p, -p2p-connect Connect to the fastest available P2P ProtonVPN server. f, -fastest-connect Connect to the fastest available ProtonVPN server. l, -last-connect Connect to the previously used ProtonVPN server. r, -random-connect Connect to a random ProtonVPN server. m, -menu Select and connect to a ProtonVPN server from a menu. c Connect to a ProtonVPN server by name. c, -connect Select and connect to a ProtonVPN server. init Initialize ProtonVPN profile on the machine. Then from command line sudo protonvpn-cli login

OK i purged my previous install of protonvpn-cli and re-installed it by using this command

Protonvpn cli