Hello, I'm trying to download blockchain-wallet-service, but I always get an error.

Hello, so I have blockchain wallet service on my pc and works perfectly, but when I try downloading it on my droplet I always get an error.

 npm i blockchain-wallet-service

> bufferutil@1.2.1 install /root/bot/node_modules/bufferutil
> node-gyp rebuild

gyp ERR! configure error
gyp ERR! stack Error: Can't find Python executable "python", you can set the PYTHON env variable.
gyp ERR! stack     at failNoPython (/usr/lib/node_modules/npm/node_modules/node-gyp/lib/configure.js:449:14)
gyp ERR! stack     at /usr/lib/node_modules/npm/node_modules/node-gyp/lib/configure.js:353:11
gyp ERR! stack     at F (/usr/lib/node_modules/npm/node_modules/which/which.js:69:16)
gyp ERR! stack     at E (/usr/lib/node_modules/npm/node_modules/which/which.js:81:29)
gyp ERR! stack     at /usr/lib/node_modules/npm/node_modules/which/which.js:90:16
gyp ERR! stack     at /usr/lib/node_modules/npm/node_modules/which/node_modules/isexe/index.js:44:5
gyp ERR! stack     at /usr/lib/node_modules/npm/node_modules/which/node_modules/isexe/access.js:8:5
gyp ERR! stack     at FSReqWrap.oncomplete (fs.js:123:15)
gyp ERR! System Linux 4.4.0-71-generic
gyp ERR! command "/usr/bin/nodejs" "/usr/lib/node_modules/npm/node_modules/node-gyp/bin/node-gyp.js" "rebuild"
gyp ERR! cwd /root/bot/node_modules/bufferutil
gyp ERR! node -v v6.10.2
gyp ERR! node-gyp -v v3.4.0
gyp ERR! not ok

> utf-8-validate@1.2.2 install /root/bot/node_modules/utf-8-validate
> node-gyp rebuild

gyp ERR! configure error
gyp ERR! stack Error: Can't find Python executable "python", you can set the PYTHON env variable.
gyp ERR! stack     at failNoPython (/usr/lib/node_modules/npm/node_modules/node-gyp/lib/configure.js:449:14)
gyp ERR! stack     at /usr/lib/node_modules/npm/node_modules/node-gyp/lib/configure.js:353:11
gyp ERR! stack     at F (/usr/lib/node_modules/npm/node_modules/which/which.js:69:16)
gyp ERR! stack     at E (/usr/lib/node_modules/npm/node_modules/which/which.js:81:29)
gyp ERR! stack     at /usr/lib/node_modules/npm/node_modules/which/which.js:90:16
gyp ERR! stack     at /usr/lib/node_modules/npm/node_modules/which/node_modules/isexe/index.js:44:5
gyp ERR! stack     at /usr/lib/node_modules/npm/node_modules/which/node_modules/isexe/access.js:8:5
gyp ERR! stack     at FSReqWrap.oncomplete (fs.js:123:15)
gyp ERR! System Linux 4.4.0-71-generic
gyp ERR! command "/usr/bin/nodejs" "/usr/lib/node_modules/npm/node_modules/node-gyp/bin/node-gyp.js" "rebuild"
gyp ERR! cwd /root/bot/node_modules/utf-8-validate
gyp ERR! node -v v6.10.2
gyp ERR! node-gyp -v v3.4.0
gyp ERR! not ok

Do I have to install python? Thanks :D