Fix unit and wrong errorhandling

homeassistant/components/sensor/verisure.py

@@ -128,10 +128,7 @@ class VerisureMouseDetection(Entity):
     @property
     def unit_of_measurement(self):
         """ Unit of measurement of this entity """
-        if verisure.MOUSEDETECTION_STATUS[self._id].count >= 1:
-            return "Mice"
-        else:
-            return "Mouse"
+        return "Mice"
 
     def update(self):
         """ update sensor """

homeassistant/components/verisure.py

@@ -164,7 +164,7 @@ def update_component(get_function, status):
         for overview in get_function():
             try:
                 status[overview.id] = overview
-            except IndexError:
+            except AttributeError:
                 status[overview.deviceLabel] = overview
     except (ConnectionError, VERISURE_ERROR) as ex:
         _LOGGER.error('Caught connection error %s, tries to reconnect', ex)