door manager

backend/controllers/BackendController.php

@@ -8,7 +8,6 @@ use backend\models\CitySearch;
 use yii\web\Controller;
 use yii\web\NotFoundHttpException;
 use yii\filters\VerbFilter;
-use yii\base\Object;
 use yii\db\Query;
 use yii\helpers\Json;
 
@@ -36,5 +35,5 @@ class BackendController extends Controller
         ];
     }
 
-    
+
 }