[#2898] Fix update_user_from_partij with OpenKlant2

Author: Paul Schilling

src/open_inwoner/accounts/signals.py

@@ -63,7 +63,7 @@ def _update_user_from_openklant2(
             fetch_params=fetch_params, user=user
         )
         if partij and not created:
-            service.update_user_from_partij(partij_uuid=partij.uuid, user=user)
+            service.update_user_from_partij(partij_uuid=partij["uuid"], user=user)
 
 
 def _update_user_from_esuite(

src/open_inwoner/accounts/views/signals.py

@@ -46,7 +46,7 @@ def get_or_create_klant_for_new_user(
             logger.error("Failed to create partij for new user %s", user)
             return
         elif not created:
-            service.update_user_from_partij(partij_uuid=partij.uuid, user=user)
+            service.update_user_from_partij(partij_uuid=partij["uuid"], user=user)
 
         logger.info("Created partij %s for new user %s", partij, user)