CR: fix function template, not sure what to do with the bool though

Author: dirixmjm

plugwise_usb/network/registry.py

@@ -47,7 +47,7 @@ def __init__(
         self._first_free_address: int = 65
         self._registration_task: Task[None] | None = None
         self._start_node_discover: (
-            Callable[[str, NodeType | None, bool], Awaitable[None]] | None
+            Callable[[str, NodeType | None, bool], Awaitable[bool]] | None
         ) = None
         self._full_scan_finished: Callable[[], Awaitable[None]] | None = None
         self._registration_scan_delay: float = CIRCLEPLUS_SCANREQUEST_MAINTENANCE
@@ -102,7 +102,7 @@ def scan_completed(self) -> bool:
         return self._scan_completed
 
     def start_node_discover(
-        self, callback: Callable[[str, NodeType | None, bool], Awaitable[None]]
+        self, callback: Callable[[str, NodeType | None, bool], Awaitable[bool]]
     ) -> None:
         """Register method to be called when a node is found."""
         self._start_node_discover = callback