--- a/Beremiz_service.py	Fri Sep 22 20:12:22 2017 +0300
+++ b/Beremiz_service.py	Thu Sep 28 12:20:40 2017 +0300
@@ -393,7 +393,7 @@
     return res
 
 
-class Server():
+class Server(object):
     def __init__(self, servicename, ip_addr, port,
                  workdir, argv, autostart=False,
                  statuschange=None, evaluator=default_evaluator,