get_uuid() uuid can be None

libs/lib/xaal/lib/tools.py

@@ -78,7 +78,7 @@ def get_random_base_uuid(digit=2) -> UUID:
     return UUID.random_base(digit)
 
 
-def get_uuid(val: Union[UUID, str, None]) -> Optional[UUID]:
+def get_uuid(val: Union[UUID, str]) -> Optional[UUID]:
     if isinstance(val, UUID):
         return val
     if isinstance(val, str):