forgot to remove get_lists function

triple-dungeon/map.py

@@ -62,8 +62,6 @@ class Dungeon(object):
         # self.level_count, self.size = level_count, size
         # self.levels = [[None for y in range(size)] for x in range(size)]  # array[x][y] style access
 
-    def get_lists(self):
-        return self.floor_list, self.wall_list
 
     def render(self) -> None:
         """