Fix max_price related None issues

Author: dan-r

custom_components/ohme/api_client.py

@@ -200,8 +200,10 @@ async def async_apply_session_rule(self, max_price=None, target_time=None, targe
         """Apply rule to ongoing charge/stop max charge."""
         # Check every property. If we've provided it, use that. If not, use the existing.
         if max_price is None:
-            max_price = self._last_rule['settings'][0]['enabled'] if 'settings' in self._last_rule and len(
-                self._last_rule['settings']) > 1 else False
+            if 'settings' in self._last_rule and self._last_rule['settings'] is not None and len(self._last_rule['settings']) > 1:
+                max_price = self._last_rule['settings'][0]['enabled']
+            else:
+                max_price = False
 
         if target_percent is None:
             target_percent = self._last_rule['targetPercent'] if 'targetPercent' in self._last_rule else 80

custom_components/ohme/number.py

@@ -252,7 +252,10 @@ def icon(self):
     def _handle_coordinator_update(self) -> None:
         """Get value from data returned from API by coordinator"""
         if self.coordinator.data is not None:
-            self._state = self.coordinator.data["userSettings"]["chargeSettings"][0]["value"]
+            try:
+                self._state = self.coordinator.data["userSettings"]["chargeSettings"][0]["value"]
+            except:
+                self._state = None
         self.async_write_ha_state()
 
     @property