--- a/Beremiz_service.py	Wed Aug 29 18:58:51 2018 +0300
+++ b/Beremiz_service.py	Fri Sep 07 20:58:13 2018 +0000
@@ -69,7 +69,7 @@
 
 try:
     opts, argv = getopt.getopt(sys.argv[1:], "i:p:n:x:t:a:w:c:e:s:h", ["help", "version"])
-except getopt.GetoptError, err:
+except getopt.GetoptError as err:
     # print help information and exit:
     print(str(err))  # will print something like "option -a not recognized"
     usage()