send price in serializer

backend/order/serializers.py

@@ -48,8 +48,8 @@ class OrderItemSerailzier(serializers.ModelSerializer):
     product = serializers.SerializerMethodField()
     class Meta:
         model = OrderItemModel
-        exclude = ('price', 'order')
-        read_only_fields = ('order', 'product', )
+        exclude = ('order',)
+        read_only_fields = ('order', 'product',)
     def get_product(self, obj):
         return ProductVariantSerialzier(instance=obj.product, context={'request': self.context.get('request')}).data