FIX: Dependency

common/Alias/Model.php

@@ -6,6 +6,7 @@ use \ORM as ORM;
 use \Model as BaseModel;
 use Aldarien\Common\Definition\Model as ModelInterface;
 use Aldarien\Common\Factory\Model as ModelFactory;
+use Aldarien\Models\Relationship;
 
 abstract class Model extends BaseModel implements ModelInterface {
   const CHILD_KEY = 'child_key';