manually calling a React.PropTypes function for the `path` prop on `Route`

[mladenp]

Warning: You are manually calling a React.PropTypes validation function for the path prop on Route. This is deprecated and will not work in the next major version. You may be seeing this warning due to a third-party PropTypes library.
See https://fb.me/react-warning-dont-call-proptypes for details

I understand that that is problem with react-router, i am using react-router 3.0.0 and react 15.3.2