Rename to _update_zigbee_availability(), add docstring

Author: bouwew

plugwise/data.py

@@ -201,7 +201,7 @@ def _get_entity_data(self, entity_id: str, entity: GwEntityData) -> None:
                 entity, "heater_central", "no OpenTherm communication"
             )
         # Zigbee node availability
-        self._get_zigbee_availability(entity)
+        self._update_zigbee_availability(entity)
 
         # Switching groups data
         self._entity_switching_group(entity)

plugwise/helper.py

@@ -449,8 +449,8 @@ def _get_measurement_data(self, entity_id: str, entity: GwEntityData) -> None:
 
         entity.update(data)
 
-    def _get_zigbee_availability(self, entity: GwEntityData) -> None:
-        # Check zigbee device availability
+    def _update_zigbee_availability(self, entity: GwEntityData) -> None:
+        """Update zigbee device availability status."""
         if "module_id" in entity:
             module_id = entity["module_id"]
             locator = f'./module[@id="{module_id}"]/protocols/zig_bee_node'