TypeError: pipe.then is not a function

[thisconnect]

installation succeeds

OS X 10.11.5
Xcode Version 7.3.1
Node v6.2.0

npm i imagemin-pngcrush
site@1.0.0 /Users/me/project
└─┬ imagemin-pngcrush@4.1.0 
  ├── exec-buffer@2.0.1 
  └─┬ through2@0.6.5 
    └─┬ readable-stream@1.0.34 
      └── isarray@0.0.1 

test

const imagemin = require('imagemin');
const imageminPngcrush = require('imagemin-pngcrush');

imagemin(['images/*.png'], 'build', {
  use: [imageminPngcrush()]
})
.then(() => {
  console.log('Images optimized');
})
.catch(err => {
  console.log(err)
});

result

TypeError: pipe.then is not a function
    at fsP.readFile.then.data (/Users/me/project/node_modules/imagemin/index.js:15:4)

[kevva]

Not converted to using promises yet.

[kevva]

Should work now.

[thisconnect]

yes it works, thanks!