diff --git a/OMPython/ModelicaSystem.py b/OMPython/ModelicaSystem.py
index 570c7b43..37687d77 100644
--- a/OMPython/ModelicaSystem.py
+++ b/OMPython/ModelicaSystem.py
@@ -1800,7 +1800,7 @@ def linearize(
         )
 
         if self._inputs:
-            for key, data in self._inputs.items():
+            for data in self._inputs.values():
                 if data is not None:
                     for value in data:
                         if value[0] < float(self._simulate_options["startTime"]):
diff --git a/OMPython/OMCSession.py b/OMPython/OMCSession.py
index 1e2a5383..5ed0fd8d 100644
--- a/OMPython/OMCSession.py
+++ b/OMPython/OMCSession.py
@@ -171,8 +171,6 @@ def getClassComment(self, className):
             logger.warning("Method 'getClassComment(%s)' failed; OMTypedParser error: %s",
                            className, ex.msg)
             return 'No description available'
-        except OMCSessionException:
-            raise
 
     def getNthComponent(self, className, comp_id):
         """ returns with (type, name, description) """
@@ -201,8 +199,6 @@ def getParameterNames(self, className):
             logger.warning('OMPython error: %s', ex)
             # FIXME: OMC returns with a different structure for empty parameter set
             return []
-        except OMCSessionException:
-            raise
 
     def getParameterValue(self, className, parameterName):
         try:
@@ -211,8 +207,6 @@ def getParameterValue(self, className, parameterName):
             logger.warning("Method 'getParameterValue(%s, %s)' failed; OMTypedParser error: %s",
                            className, parameterName, ex.msg)
             return ""
-        except OMCSessionException:
-            raise
 
     def getComponentModifierNames(self, className, componentName):
         return self._ask(question='getComponentModifierNames', opt=[className, componentName])