fix circular import errors so the server and start again

server/storage/LocalStorage.py

@@ -1,5 +1,9 @@
+from typing import TYPE_CHECKING
+
+if TYPE_CHECKING:
+  from server.GameBoard import GameBoard
+
 from server.dataset.Dataset import Dataset
-from server.GameBoard import GameBoard
 from server.Files import save_file
 
 import aiofiles
@@ -21,7 +25,7 @@ class LocalStorage:
     self.dataset_compress_rotated = os.getenv("DATASET_COMPRESS_ROTATED", "true").strip().lower() in ("1", "true", "yes", "on")
     self.dataset_max_bytes = int(float(os.getenv("DATASET_JSONL_MAX_MB", "50")) * 1024 * 1024)
 
-  def _get_active_dataset_path(self, game_board:GameBoard):
+  def _get_active_dataset_path(self, game_board:'GameBoard'):
     if not self.dataset_rotate_daily:
       return self.dataset_jsonl_path
 
@@ -60,7 +64,7 @@ class LocalStorage:
 
       self._gzip_file(os.path.join(folder, name))
 
-  async def _rotate_if_needed(self, active_path:str, game_board:GameBoard):
+  async def _rotate_if_needed(self, active_path:str, game_board:'GameBoard'):
     if self.dataset_max_bytes <= 0:
       return
     if not await aiofiles.os.path.exists(active_path):
@@ -81,7 +85,7 @@ class LocalStorage:
     if self.dataset_compress_rotated:
       self._gzip_file(rotated_path)
 
-  def _build_dataset_rows(self, dataset_payload:dict, game_board:GameBoard):
+  def _build_dataset_rows(self, dataset_payload:dict, game_board:'GameBoard'):
     game_info = dataset_payload.get("game", {})
     snake_info = dataset_payload.get("snake", {})
 
@@ -102,7 +106,7 @@ class LocalStorage:
       })
     return rows
 
-  async def _append_dataset_jsonl(self, dataset_payload:dict, game_board:GameBoard):
+  async def _append_dataset_jsonl(self, dataset_payload:dict, game_board:'GameBoard'):
     rows = self._build_dataset_rows(dataset_payload, game_board)
     if len(rows) == 0:
       return
@@ -116,7 +120,7 @@ class LocalStorage:
       for row in rows:
         await f.write(json.dumps(row, ensure_ascii=False) + "\n")
 
-  def _get_correct_folder_for_save_file(self, game_board:GameBoard, file_name:str, game_type:str, leader_board:bool, winner:bool):
+  def _get_correct_folder_for_save_file(self, game_board:'GameBoard', file_name:str, game_type:str, leader_board:bool, winner:bool):
     storage_folder = self.file_path
     if leader_board:
       storage_folder = os.path.join(storage_folder, "00_Leaderboards")
@@ -136,7 +140,7 @@ class LocalStorage:
 
     return os.path.join(storage_folder, file_name)
 
-  async def save(self, game_board:GameBoard):
+  async def save(self, game_board:'GameBoard'):
     game_type = game_board.get_type_of_game()
     dataset = Dataset(game_board).build(only_good_moves=True)