Fix ident

Author: bouwew

plugwise_usb/messages/requests.py

@@ -434,7 +434,7 @@ async def send(self) -> NodeRejoinResponse | None:
         """Send request."""
         result = await self._send_request()
         if isinstance(result, NodeRejoinResponse):
-        return result
+            return result
 
         if result is None:
             return None