diff --git a/main.py b/main.py
index b5bfbf6..9b22dd8 100644
--- a/main.py
+++ b/main.py
@@ -1,5 +1,5 @@
 """Main module"""
-from typing import List, Union, Tuple, Iterator, Optional
+from typing import List, Union, Tuple, Iterator
 import enum
 from dataclasses import dataclass
 
@@ -154,6 +154,7 @@ class Board:
 
     def possible_goal_move_actions(self) -> Iterator[MoveAction]:
         """Enumerates all possible moves from anywhere to the goal"""
+        #TODO