relation updates

app/Models/Checkout.php

@@ -25,11 +25,11 @@ class Checkout extends Model
 
     public function bidders()
     {
-        return $this->belongsTo('App\Models\Bidders', 'bidder_num', 'idbidders');
+        return $this->belongsTo(Bidders::class, 'idbidders');
     }
 
     public function paymentMethod()
     {
-        return $this->hasMany('App\Models\PaymentMethods', 'payment_method', 'pm_id');
+        return $this->hasMany(PaymentMethods::class, 'payment_method', 'pm_id');
     }
 }