Index: /issm/trunk-jpl/test/NightlyRun/test3015.py
===================================================================
--- /issm/trunk-jpl/test/NightlyRun/test3015.py	(revision 20312)
+++ /issm/trunk-jpl/test/NightlyRun/test3015.py	(revision 20313)
@@ -36,4 +36,7 @@
 	]
 md.autodiff.driver='fos_forward'
+
+#PYTHON: indices start at 0, make sure to offset index
+index=index-1
 
 #parameters for the step-wise derivative
Index: /issm/trunk-jpl/test/NightlyRun/test3020.py
===================================================================
--- /issm/trunk-jpl/test/NightlyRun/test3020.py	(revision 20312)
+++ /issm/trunk-jpl/test/NightlyRun/test3020.py	(revision 20313)
@@ -38,4 +38,7 @@
 	]
 md.autodiff.driver='fos_forward'
+
+#PYTHON: indices start at 0, make sure to offset index
+index=index-1
 
 #parameters for the step-wise derivative