diff --git a/example/sessions.py b/example/sessions.py
index 920254f..3c1dc2d 100644
--- a/example/sessions.py
+++ b/example/sessions.py
@@ -12,7 +12,7 @@
 socketio = SocketIO(app, manage_session=False)
 
 
-class User(UserMixin, object):
+class User(UserMixin):
     def __init__(self, id=None):
         self.id = id