Fix bug, previous fix did not take into account that the data was under the specific mac and so it would have failed when there was no previous data inserted for that mac.

Author: sverrham

custom_components/airthings_wave/airthings.py

@@ -203,7 +203,10 @@ def get_sensor_data(self):
                             if characteristic.uuid in sensor_decoders:
                                 sensor_data = sensor_decoders[characteristic.uuid].decode_data(data)
                                 _LOGGER.debug("{} Got sensordata {}".format(mac, sensor_data))
-                                self.sensordata[mac].update(sensor_data)
+                                if self.sensordata.get(mac) is None:
+                                    self.sensordata[mac] = sensor_data
+                                else:
+                                    self.sensordata[mac].update(sensor_data)
                         except (BLEError, NotConnectedError, NotificationTimeout):
                             _LOGGER.exception("Failed to read characteristic")