--- a/ConfigTreeNode.py	Mon Oct 23 18:25:45 2017 +0300
+++ b/ConfigTreeNode.py	Wed Oct 25 13:50:26 2017 +0300
@@ -31,6 +31,7 @@
 - ... TODO : document
 """
 
+from __future__ import absolute_import
 import os
 import traceback
 import types