code style fix

app/Models/Invoice.php

@@ -1,5 +1,4 @@
 <?php
-
 namespace App\Models;
 
 use Illuminate\Database\Eloquent\Model;
@@ -7,19 +6,20 @@ use Illuminate\Database\Eloquent\Model;
 class Invoice extends Model
 {
     protected $guarded = [
-        'id'
+        'id',
     ];
 
     protected $casts = [
         'seller' => 'array',
         'client' => 'array',
-        'bag'    => 'array',
+        'bag' => 'array',
     ];
 
     /**
      * @return \Illuminate\Database\Eloquent\Relations\HasOne
      */
-    public function user() {
+    public function user()
+    {
         return $this->hasOne(User::class, 'id', 'user_id');
     }
 }