Merge pull request crazycodeboy#31 from pigarevaoks/master

Remove duplicate PropTypes

Author: crazycodeboy

index.js

@@ -18,6 +18,7 @@ import {
 } from 'react-native'
 
 const ViewPropTypes = RNViewPropTypes || View.propTypes;
+
 export const DURATION = {
  LENGTH_LONG: 2000,
  LENGTH_SHORT: 500,