symfony tfu

<?php

namespace BlogBundle\Controller;

use Symfony\Bundle\FrameworkBundle\Controller\Controller;
use Sensio\Bundle\FrameworkExtraBundle\Configuration\Route;

class WpisController extends Controller
{
    /**
     * @param int $id
     * @return \Symfony\Component\HttpFoundation\Response
     */
    public function indexAction($id)
    {
        $repository = $this->getDoctrine()->getRepository('BlogBundle:Wpis');
        $post = $repository->find($id);
        if ($post === null) {
            throw $this->createNotFoundException();
        }
        return $this->render('BlogBundle:Wpis:show.html.twig', ['post'=>$post]);
    }
}