fix: created product update serializer

shop/api/v1/viewsets.py

@@ -21,7 +21,7 @@ from shop.api.v1.serializers import (
     CreateProductSerializer,
     CreateProductPriceSerializer,
     TagSerializer,
-    ListProductSerializer,
+    ListProductSerializer, UpdateProductSerializer,
 )
 from shop.models import (
     Product,
@@ -40,7 +40,7 @@ from shop.api.v1.permissions import ProductPermissions, ProductPricePermissions
 
 class ProductViewSet(ModelViewSet):
     serializer_class = ProductSerializer
-    queryset = Product.objects.prefetch_related("prices").all()
+    queryset = Product.objects.prefetch_related("prices").prefetch_related("tags").prefetch_related("images").all()
     permission_classes = (
         IsAdminUser,
         ProductPermissions,
@@ -52,6 +52,8 @@ class ProductViewSet(ModelViewSet):
             return CreateProductSerializer
         elif self.action == "list":
             return ListProductSerializer
+        elif self.action in ('update', 'partial_update'):
+            return UpdateProductSerializer
         return self.serializer_class
 
     def perform_destroy(self, instance):