Fixed bug when external temperature sensor is not given

Author: Big-Tree

custom_components/optispark/config_flow.py

@@ -72,6 +72,8 @@ async def async_step_init(self, user_input: dict | None = None) -> config_entrie
                     postcode=user_input['postcode'],
                     heat_pump_power_entity_id=user_input['heat_pump_power_entity_id'])
                 user_input['postcode'] = postcode  # Fix postcode formating
+                if 'external_temp_entity_id' not in user_input:
+                    user_input['external_temp_entity_id'] = None
 
                 self.user_input_init = user_input
                 return await self.async_step_accept(user_input)

custom_components/optispark/coordinator.py

@@ -117,7 +117,10 @@ def heat_pump_power_usage(self):
     @property
     def external_temp(self):
         """External house temperature."""
-        return get_entity(self.hass, self._external_temp_entity_id).native_value
+        if self._external_temp_entity_id is None:
+            return None
+        else:
+            return get_entity(self.hass, self._external_temp_entity_id).native_value
 
     @property
     def lambda_args(self):