fixed CS

src/Silex/GetResponseForErrorEvent.php

@@ -29,4 +29,4 @@ class GetResponseForErrorEvent extends GetResponseForExceptionEvent
         $converter = new StringResponseConverter();
         $this->setResponse($converter->convert($response));
     }
-}
\ No newline at end of file
+}

src/Silex/StringResponseConverter.php

@@ -23,15 +23,16 @@ class StringResponseConverter
     /**
      * Does the conversion
      *
-     * @param $response The response string
+     * @param  $response The response string
+     *
      * @return A response object
      */
     public function convert($response)
     {
-        if ( ! $response instanceof Response) {
+        if (!$response instanceof Response) {
             return new Response((string) $response);
-        } else {
-            return $response;
         }
+
+        return $response;
     }
 }