Index: trunk/ippToPsps/jython/dvo.py
===================================================================
--- trunk/ippToPsps/jython/dvo.py	(revision 35203)
+++ trunk/ippToPsps/jython/dvo.py	(revision 35217)
@@ -6,4 +6,5 @@
 import sys
 import os
+import math
 import logging
 import glob