--- a/graphics/DebugDataConsumer.py	Fri Sep 22 20:12:22 2017 +0300
+++ b/graphics/DebugDataConsumer.py	Thu Sep 28 12:20:40 2017 +0300
@@ -156,7 +156,7 @@
 # -------------------------------------------------------------------------------
 
 
-class DebugDataConsumer:
+class DebugDataConsumer(object):
     """
     Class that implements an element that consumes debug values
     Value update can be inhibited during the time the associated Debug Viewer is