CodeRabitAI again

Author: dirixmjm

plugwise_usb/network/cache.py

@@ -69,6 +69,6 @@ async def update_nodetypes(self, mac: str, node_type: NodeType | None) -> None:
         self._nodetypes[mac] = node_type
         await self.save_cache()
 
-    def get_nodetype(self, mac: str) -> NodeType:
+    def get_nodetype(self, mac: str) -> NodeType | None:
         """Return NodeType from cache."""
         return self._nodetypes.get(mac)