Use enums in rova (#62044)

homeassistant/components/rova/sensor.py

@@ -10,14 +10,11 @@ import voluptuous as vol
 
 from homeassistant.components.sensor import (
     PLATFORM_SCHEMA,
+    SensorDeviceClass,
     SensorEntity,
     SensorEntityDescription,
 )
-from homeassistant.const import (
-    CONF_MONITORED_CONDITIONS,
-    CONF_NAME,
-    DEVICE_CLASS_TIMESTAMP,
-)
+from homeassistant.const import CONF_MONITORED_CONDITIONS, CONF_NAME
 import homeassistant.helpers.config_validation as cv
 from homeassistant.util import Throttle
 from homeassistant.util.dt import get_time_zone, now
@@ -110,7 +107,7 @@ class RovaSensor(SensorEntity):
         self.data_service = data_service
 
         self._attr_name = f"{platform_name}_{description.name}"
-        self._attr_device_class = DEVICE_CLASS_TIMESTAMP
+        self._attr_device_class = SensorDeviceClass.TIMESTAMP
 
     def update(self):
         """Get the latest data from the sensor and update the state."""