Use _attr_precision in entities (#77477)

homeassistant/components/elkm1/climate.py

@@ -74,6 +74,7 @@ async def async_setup_entry(
 class ElkThermostat(ElkEntity, ClimateEntity):
     """Representation of an Elk-M1 Thermostat."""
 
+    _attr_precision = PRECISION_WHOLE
     _attr_supported_features = (
         ClimateEntityFeature.FAN_MODE
         | ClimateEntityFeature.AUX_HEAT
@@ -138,11 +139,6 @@ class ElkThermostat(ElkEntity, ClimateEntity):
         """Return the list of available operation modes."""
         return SUPPORT_HVAC
 
-    @property
-    def precision(self) -> int:
-        """Return the precision of the system."""
-        return PRECISION_WHOLE
-
     @property
     def is_aux_heat(self) -> bool:
         """Return if aux heater is on."""