title: missing './lib/_stream_passthrough.js'?
body: <p>i do encounter a problem while  launching angular (yo angular):</p>
  
  <pre><code>       invoke   angular:controller:/usr/lib/node_modules/generator-angular/app/index.js
  identical     app/scripts/controllers/main.js
  identical     test/spec/controllers/main.js
  module.js:339
      throw err;
      ^
  
  Error: Cannot find module './lib/_stream_passthrough.js'
      at Function.Module._resolveFilename (module.js:337:15)
      at Function.Module._load (module.js:287:25)
      at Module.require (module.js:366:17)
      at require (module.js:385:17)
      at Object.&lt;anonymous&gt; (/usr/lib/node_modules/generator-karma/node_modules/yeoman-generator/node_modules/download/node_modules/readable-stream/passthrough.js:1:80)
  </code></pre>
  
  <p>I have no idea how to solve it. I guess a module did not install but i don't understand the error message!
  Anyone had this problem before and could help me ?
  cheers</p>
  
  <p>Angular v: v1.4.7
  node -v : v4.2.1</p>