Throttle Decora wifi updates (home-assistant#156994)

Author: joostlek

homeassistant/components/decora_wifi/light.py

@@ -2,6 +2,7 @@
 
 from __future__ import annotations
 
+from datetime import timedelta
 import logging
 from typing import Any
 
@@ -25,6 +26,7 @@
 from homeassistant.helpers import config_validation as cv
 from homeassistant.helpers.entity_platform import AddEntitiesCallback
 from homeassistant.helpers.typing import ConfigType, DiscoveryInfoType
+from homeassistant.util import Throttle
 
 _LOGGER = logging.getLogger(__name__)
 
@@ -167,6 +169,7 @@ def turn_off(self, **kwargs: Any) -> None:
         except ValueError:
             _LOGGER.error("Failed to turn off myLeviton switch")
 
+    @Throttle(timedelta(seconds=30))
     def update(self) -> None:
         """Fetch new state data for this switch."""
         try: