diff --git a/examples/usecase/__init__.py b/examples/usecase/__init__.py
index 222cd12d6696ba4aad531f80bc8bd9d278f7e276..e892bb5a7603f248d8605e3c548838a6543e3c70 100644
--- a/examples/usecase/__init__.py
+++ b/examples/usecase/__init__.py
@@ -1,5 +1,7 @@
 # -*- coding: utf-8 -*-
 """
-init file 
+=========
+init file
+=========
 """