Update sensor.py

components/bl0906/sensor.py

@@ -28,7 +28,7 @@ CONFIG_SCHEMA = (
             cv.Optional("Temperature"): sensor.sensor_schema(
             accuracy_decimals = 0,
             device_class = "temperature",
-            unit_of_measurement = "℃"  
+            unit_of_measurement = "°C"
             ),
             cv.GenerateID(): cv.declare_id(BL0906),
             cv.Optional("Voltage"): sensor.sensor_schema(
@@ -221,4 +221,4 @@ async def to_code(config):
     if "Energy_sum" in config:
         sens = await sensor.new_sensor(config["Energy_sum"])
         cg.add(var.set_energy_sensor_sum(sens))   
-     
+