diff --git a/bin/paintserver b/bin/paintserver
--- a/bin/paintserver
+++ b/bin/paintserver
@@ -58,7 +58,7 @@ class BestMatches(PrettyErrorHandler, cy
             self.write(json.dumps({'settings': outSettings.asList()}))
 
 
-class App(object):
+class App:
 
     def __init__(self, show, session):
         self.show = show