Error

gyp verb could not find "python"

gyp verb could not find "python". checking python launcher
gyp verb could not find "python". guessing location
gyp verb ensuring that file exists: C:\Python27\python.exe

unable to verify the first certificate

Error: unable to verify the first certificate
Downloading Python failed. Error: Error: unable to verify the first certificate
    at TLSSocket.onConnectSecure (_tls_wrap.js:1321:34)
    at TLSSocket.emit (events.js:210:5)
    at TLSSocket._finishInit (_tls_wrap.js:794:8)
    at TLSWrap.ssl.onhandshakedone (_tls_wrap.js:608:12) {
  code: 'UNABLE_TO_VERIFY_LEAF_SIGNATURE'
npm config set strict-ssl false

# after install, turn it back
npm config set strict-ssl true
What Else?