Fix adding repeated State symbols (similar to parameters)

ukhsa-collaboration · Jul 2, 2020 · b4b305d · b4b305d
1 parent 4c79c79
commit b4b305d
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/pygom/model/base_ode_model.py b/pygom/model/base_ode_model.py
@@ -785,7 +785,7 @@ def _addStateSymbol(self, input_str):
         symbol_name = self._addSymbol(var_obj.ID)
 
         if isinstance(symbol_name, sympy.Symbol):
-            if symbol_name not in self._paramList:
+            if str(symbol_name) not in self._paramList:
                 self._addVariable(symbol_name, var_obj,
                                   self._stateList,
                                   self._stateDict)
@@ -796,6 +796,7 @@ def _addStateSymbol(self, input_str):
         return None
 
     def _addParamSymbol(self, input_str):
+        # turn input_str into a ODEVarialbe if required
         if isinstance(input_str, str):
             var_obj = ODEVariable(input_str, input_str)
         elif isinstance(input_str, ODEVariable):