<?php

namespace Listabierta\Bundle\MunicipalesBundle\Controller;

use Symfony\Bundle\FrameworkBundle\Controller\Controller;
use Symfony\Component\HttpFoundation\Request;

class DefaultController extends Controller
{
    public function indexAction(Request $request)
    {
        return $this->render('MunicipalesBundle:Default:index.html.twig');
    }
}

<?php

namespace Listabierta\Bundle\MunicipalesBundle\Controller;

use Symfony\Bundle\FrameworkBundle\Controller\Controller;

class DefaultController extends Controller
{
    public function indexAction()
    {
        return $this->render('MunicipalesBundle:Default:index.html.twig');
    }
}

--- 
+++ 
@@ -3,10 +3,11 @@
 namespace Listabierta\Bundle\MunicipalesBundle\Controller;
 
 use Symfony\Bundle\FrameworkBundle\Controller\Controller;
+use Symfony\Component\HttpFoundation\Request;
 
 class DefaultController extends Controller
 {
-    public function indexAction()
+    public function indexAction(Request $request)
     {
         return $this->render('MunicipalesBundle:Default:index.html.twig');
     }
Add request param on index action
