Use UnitOfTemperature in climate entities [t-z] (#83129)

homeassistant/components/vicare/climate.py

@@ -27,7 +27,7 @@ from homeassistant.const import (
     ATTR_TEMPERATURE,
     PRECISION_TENTHS,
     PRECISION_WHOLE,
-    TEMP_CELSIUS,
+    UnitOfTemperature,
 )
 from homeassistant.core import HomeAssistant
 from homeassistant.helpers import entity_platform
@@ -147,7 +147,7 @@ class ViCareClimate(ClimateEntity):
     _attr_supported_features = (
         ClimateEntityFeature.TARGET_TEMPERATURE | ClimateEntityFeature.PRESET_MODE
     )
-    _attr_temperature_unit = TEMP_CELSIUS
+    _attr_temperature_unit = UnitOfTemperature.CELSIUS
 
     def __init__(self, name, api, circuit, device_config, heating_type):
         """Initialize the climate device."""