Allow writing null to attributes (fixes #434) (#437)

home-assistant-libs · Nov 21, 2023 · f782756 · f782756
1 parent 9aeb457
commit f782756
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/matter_server/server/device_controller.py b/matter_server/server/device_controller.py
@@ -434,7 +434,7 @@ async def write_attribute(
             raise RuntimeError("Device Controller not initialized.")
         endpoint_id, cluster_id, attribute_id = parse_attribute_path(attribute_path)
         attribute = ALL_ATTRIBUTES[cluster_id][attribute_id]()
-        attribute.value = value
+        attribute.value = Clusters.NullValue if value is None else value
         return await self.chip_controller.WriteAttribute(
             nodeid=node_id,
             attributes=[(endpoint_id, attribute)],