??? fix test_FMIExport & check lmodel

Author: syntron

OMPython/ModelicaSystem.py

@@ -198,6 +198,9 @@ def __init__(
         if lmodel is None:
             lmodel = []
 
+        if not isinstance(lmodel, list):
+            raise ModelicaSystemError(f"Invalid input type for lmodel: {type(lmodel)} - list expected!")
+
         self.xmlFile = None
         self.lmodel = lmodel  # may be needed if model is derived from other model
         self.modelName = modelName  # Model class name

tests/test_FMIExport.py

@@ -14,15 +14,16 @@ def __del__(self):
 
     def testCauerLowPassAnalog(self):
         print("testing Cauer")
-        mod = OMPython.ModelicaSystem(modelName="Modelica.Electrical.Analog.Examples.CauerLowPassAnalog", lmodel="Modelica")
+        mod = OMPython.ModelicaSystem(modelName="Modelica.Electrical.Analog.Examples.CauerLowPassAnalog",
+                                      lmodel=["Modelica"])
         self.tmp = mod.getWorkDirectory()
 
         fmu = mod.convertMo2Fmu(fileNamePrefix="CauerLowPassAnalog")
         self.assertEqual(True, os.path.exists(fmu))
 
     def testDrumBoiler(self):
         print("testing DrumBoiler")
-        mod = OMPython.ModelicaSystem(modelName="Modelica.Fluid.Examples.DrumBoiler.DrumBoiler", lmodel="Modelica")
+        mod = OMPython.ModelicaSystem(modelName="Modelica.Fluid.Examples.DrumBoiler.DrumBoiler", lmodel=["Modelica"])
         self.tmp = mod.getWorkDirectory()
 
         fmu = mod.convertMo2Fmu(fileNamePrefix="DrumBoiler")