diff --git a/examples/ioc_di_demos/ioc_container_example.py b/examples/ioc_di_demos/ioc_container_example.py
index df0032e1..1321f12c 100644
--- a/examples/ioc_di_demos/ioc_container_example.py
+++ b/examples/ioc_di_demos/ioc_container_example.py
@@ -11,6 +11,7 @@ class Components(catalogs.DeclarativeCatalog):
     """Components catalog."""
 
     service = providers.Factory(Service)
+
     client = providers.Factory(Client, service=service)