Fix styling

app/Events/DatabaseStatusChanged.php

@@ -2,9 +2,7 @@
 
 namespace App\Events;
 
-use Illuminate\Broadcasting\Channel;
 use Illuminate\Broadcasting\InteractsWithSockets;
-use Illuminate\Broadcasting\PresenceChannel;
 use Illuminate\Broadcasting\PrivateChannel;
 use Illuminate\Contracts\Broadcasting\ShouldBroadcast;
 use Illuminate\Foundation\Events\Dispatchable;
@@ -13,14 +11,16 @@ use Illuminate\Queue\SerializesModels;
 class DatabaseStatusChanged implements ShouldBroadcast
 {
     use Dispatchable, InteractsWithSockets, SerializesModels;
+
     public $userId;
+
     public function __construct($userId = null)
     {
         if (is_null($userId)) {
             $userId = auth()->user()->id ?? null;
         }
         if (is_null($userId)) {
-            throw new \Exception("User id is null");
+            throw new \Exception('User id is null');
         }
         $this->userId = $userId;
     }