installation error with write-version-sass-var

[leonfu103]

When I try with npm install edh-widgets I get the errors as below, this happens on v3.3.1:

› npm install edh-widgets --save

> edh-widgets@3.3.1 install /Users/leonf/code/assets-test/node_modules/edh-widgets
> bin/write-version-sass-var

Writing version sass var
fs.js:640
  return binding.open(pathModule._makeLong(path), stringToFlags(flags), mode);
                 ^

Error: ENOENT: no such file or directory, open './src/scss/_version.scss'
    at Error (native)
    at Object.fs.openSync (fs.js:640:18)
    at Object.fs.writeFileSync (fs.js:1333:33)
    at Object.<anonymous> (/Users/leonf/code/assets-test/node_modules/edh-widgets/bin/write-version-sass-var:8:4)
    at Module._compile (module.js:541:32)
    at Object.Module._extensions..js (module.js:550:10)
    at Module.load (module.js:458:32)
    at tryModuleLoad (module.js:417:12)
    at Function.Module._load (module.js:409:3)
    at Module.runMain (module.js:575:10)