Index: wflow-py/wflow/wf_DynamicFramework.py
===================================================================
diff -u -r40c66ca5682ad08c6fc6553af67a65eae3fc933c -rc55cb802eb203cf69033ba5a1ef0d1aff59102f0
--- wflow-py/wflow/wf_DynamicFramework.py	(.../wf_DynamicFramework.py)	(revision 40c66ca5682ad08c6fc6553af67a65eae3fc933c)
+++ wflow-py/wflow/wf_DynamicFramework.py	(.../wf_DynamicFramework.py)	(revision c55cb802eb203cf69033ba5a1ef0d1aff59102f0)
@@ -408,13 +408,13 @@
         :return:
         """
 
-        self._userModel()._setNrTimeSteps(self.DT.runTimeSteps)
+        self._userModel()._setNrTimeSteps(int(self.DT.runTimeSteps))
         self._d_firstTimestep = 1
         self._userModel()._setFirstTimeStep(1)
         self._d_lastTimestep = self.DT.runTimeSteps
         self.APIDebug = 0
         self._userModel().currentdatetime = self.DT.currentDateTime
-        self._userModel()._setCurrentTimeStep(self.DT.currentTimeStep)
+        self._userModel()._setCurrentTimeStep(int(self.DT.currentTimeStep))
         self._userModel().timestepsecs = self.DT.timeStepSecs