diff --git a/src/omero_demo_cleanup/library.py b/src/omero_demo_cleanup/library.py
index 996a854..899d911 100755
--- a/src/omero_demo_cleanup/library.py
+++ b/src/omero_demo_cleanup/library.py
@@ -188,7 +188,6 @@ def exp_to_str(exp):
 
 
 def users_by_id_or_username(conn: BlitzGateway, ignore_users: str) -> List[int]:
-
     if not ignore_users:
         return []
     exclude = []