Index: wflow-py/Sandbox/wflow_vegetation.py
===================================================================
diff -u -rca46a45089f41a04181b256c2a97af3a663a9d42 -r1738c121cfc83b76d915b8ed55747cb1bb9a2f64
--- wflow-py/Sandbox/wflow_vegetation.py	(.../wflow_vegetation.py)	(revision ca46a45089f41a04181b256c2a97af3a663a9d42)
+++ wflow-py/Sandbox/wflow_vegetation.py	(.../wflow_vegetation.py)	(revision 1738c121cfc83b76d915b8ed55747cb1bb9a2f64)
@@ -34,8 +34,8 @@
 
 def usage(*args):
     sys.stdout = sys.stderr
-    for msg in args: print msg
-    print __doc__
+    for msg in args: print(msg)
+    print(__doc__)
     sys.exit(0)
 
 class WflowModel(DynamicModel):  
@@ -183,7 +183,7 @@
     except:
         self.logger.warn("Cannot load initial states, setting to default")
         for s in self.stateVariables():
-            exec "self." + s + " = cover(1.0)"
+            exec("self." + s + " = cover(1.0)")
 
 
   def default_summarymaps(self):