title: VIM plugin for autocomplete for "from import" combination
body: <p>I observed that Atom editor has one very good functionality, which is when I type while working with python</p>
  
  <pre><code>from XXX import 
  </code></pre>
  
  <p>it shows list of items that can be imported from XXX</p>
  
  <p>Atom shows a list of things that can be imported. Can VIM also be configured for the same ? </p>
  
  <p>Is there any plugin ? </p>