Index: wflow-py/wflow/wflow_sbm.py
===================================================================
diff -u -rc9f2d19434615e9c38c8404563972593bc81fc79 -r3b29d4c807feb6a6664c21bbece6e0896e60b801
--- wflow-py/wflow/wflow_sbm.py	(.../wflow_sbm.py)	(revision c9f2d19434615e9c38c8404563972593bc81fc79)
+++ wflow-py/wflow/wflow_sbm.py	(.../wflow_sbm.py)	(revision 3b29d4c807feb6a6664c21bbece6e0896e60b801)
@@ -773,6 +773,7 @@
                 'self.FirstZoneKsatVer',
                 'self.M',
                 'self.FirstZoneCapacity',
+                'self.et_RefToPot',
                 'self.Slope',
                 'self.CC',
                 'self.N',