Index: wflow-py/wflow/wflow_bmi.py
===================================================================
diff -u -rf2249a00f0fe88700dfa3c230497b1698ab84c81 -r702ff73e73a1687a109a82490b0315c828e980fa
--- wflow-py/wflow/wflow_bmi.py	(.../wflow_bmi.py)	(revision f2249a00f0fe88700dfa3c230497b1698ab84c81)
+++ wflow-py/wflow/wflow_bmi.py	(.../wflow_bmi.py)	(revision 702ff73e73a1687a109a82490b0315c828e980fa)
@@ -122,7 +122,7 @@
         """
         npmap = self.dynModel.wf_supplyMapAsNumpy(name)
 
-        return npmap.dtype
+        return str(npmap.dtype)
 
 
     def get_var_rank(self, name):