node-gyp configure build failed with SyntaxError

[quaos]

I got this when trying to run proton-native app in Windows:

gyp ERR! configure error 
gyp ERR! stack Error: Command failed: D:\Programs\Python\Python37\python.exe -c import sys; print "%s.%s.%s" % sys.version_info[:3];
gyp ERR! stack   File "<string>", line 1
gyp ERR! stack     import sys; print "%s.%s.%s" % sys.version_info[:3];
gyp ERR! stack                                ^
gyp ERR! stack SyntaxError: invalid syntax
gyp ERR! stack
gyp ERR! stack     at ChildProcess.exithandler (child_process.js:294:12)
gyp ERR! stack     at ChildProcess.emit (events.js:189:13)
gyp ERR! stack     at maybeClose (internal/child_process.js:970:16)
gyp ERR! stack     at Process.ChildProcess._handle.onexit (internal/child_process.js:259:5)
gyp ERR! System Windows_NT 10.0.18362
gyp ERR! command "D:\\Programs\\nodejs\\node.exe" "D:\\Programs\\nodejs\\node_modules\\npm\\node_modules\\node-gyp\\bin\\node-gyp.js" "configure" "build"      
gyp ERR! cwd D:\Q\Projects\TestReactRedux1\node_modules\libui-node
gyp ERR! node -v v10.15.3
gyp ERR! node-gyp -v v3.8.0
gyp ERR! not ok
npm ERR! code ELIFECYCLE
npm ERR! errno 1
npm ERR! libui-node@0.2.1 build: `node-gyp configure build`
npm ERR! Exit status 1
npm ERR!
npm ERR! Failed at the libui-node@0.2.1 build script.
npm ERR! This is probably not a problem with npm. There is likely additional logging output above.
npm WARN Local package.json exists, but node_modules missing, did you mean to install?