fix enrollment

enrollment-management/app/events/stopgap/del_vacancies.py

@@ -32,7 +32,7 @@ def lambda_handler(event: EventBridgeEvent, context: LambdaContext) -> bool:
         + KeyPair(
             pk=order_id,
             sk=SortKey(
-                'metadata#tenant',
+                sk='metadata#tenant',
                 path_spec='tenant_id',
                 remove_prefix='metadata#',
             ),
@@ -61,7 +61,7 @@ def lambda_handler(event: EventBridgeEvent, context: LambdaContext) -> bool:
         for pair in result['items']:
             batch.delete_item(
                 Key={
-                    'id': {'S': f'vacancies#{pair["id"]}'},
+                    'id': {'S': ComposeKey(pair['id'], prefix='vacancies')},
                     'sk': {'S': pair['sk']},
                 }
             )