Update ennead/models/task.py

Co-Authored-By: Goldstein <mouse-art@ya.ru>

Author: VorontsovIE

ennead/models/task.py

@@ -28,7 +28,7 @@ class TaskSet(BaseModel):
 
     @property
     def ordered_tasks(self) -> List["Task"]:
-        return list(sorted(self.tasks, key=lambda task: task.order_num))
+        return sorted(self.tasks, key=lambda task: task.order_num)
 
 
 class Task(BaseModel):