SDKBOX error instalation

getting error after doing sdkbox instalation by CLI, i used this : python -c "import urllib; s = urllib.urlopen('https://raw.githubusercontent.com/sdkbox-doc/en/master/install/install.py').read(); exec s" command and then it shows an error like this :

it seems like the error is on python side ? on the sdkbox side ? i’m sorry for my bad english :smile:

solved with this guy’s solution