Set default value for args in Scheduler.add()

Author: TheGreatCabbage

scheduler/Scheduler.py

@@ -114,7 +114,7 @@ def add_process(self, process: Process, queue: Queue, subtasks: int = 0) -> None
     def add(
         self,
         target: Callable,
-        args: tuple,
+        args: tuple = (),
         subtasks: int = 0,
         process_type: Type = multiprocessing.Process,
         queue_type: Type = multiprocessing.Queue,