Index: trunk/ippToPsps/jython/diffbatch.py
===================================================================
--- trunk/ippToPsps/jython/diffbatch.py	(revision 39134)
+++ trunk/ippToPsps/jython/diffbatch.py	(revision 39165)
@@ -141,5 +141,5 @@
 
            # look up the path base once
-           pathBase = gpc1Db.getDiffStagePathBase(skychunk.dvoLabel, int(diffSkyFileID))
+           pathBase = gpc1Db.getDiffStagePathBase(int(diffSkyFileID))
 
            # select the two (possible) cmf files (.cmf and .inv.cmf)