diff --git a/othello/moderator/jailed_runners.py b/othello/moderator/jailed_runners.py
index cb46d564..dbd7274f 100644
--- a/othello/moderator/jailed_runners.py
+++ b/othello/moderator/jailed_runners.py
@@ -38,7 +38,7 @@ def get_move(self, board: str, player: str, time_limit: int) -> Union[Tuple[int,
         try:
             board = "".join(board)
             if self.board_10x10:
-                board = "?" * 11 + "??".join(board[i : i + 8] for i in range(0, 64, 8)) + "?" * 11
+                board = "?" * 11 + "??".join(board[i: i + 8] for i in range(0, 64, 8)) + "?" * 11
             args = (board, player, best_move, is_running) if self.nargs == 4 else (board, player, best_move, is_running, time_limit)
             p = mp.Process(
                 target=self.play_wrapper,
diff --git a/othello/moderator/runners.py b/othello/moderator/runners.py
index 32c3f4b4..66187b7a 100644
--- a/othello/moderator/runners.py
+++ b/othello/moderator/runners.py
@@ -19,7 +19,7 @@
 
 
 def convert_to_10x10(board: str) -> str:
-    return "?" * 11 + "??".join(board[i : i + 8] for i in range(0, 64, 8)) + "?" * 11
+    return "?" * 11 + "??".join(board[i: i + 8] for i in range(0, 64, 8)) + "?" * 11
 
 
 def convert_to_legacy(board: str) -> str:
@@ -84,7 +84,7 @@ def stop(self):
     @capture_generator_value
     def get_move(
         self, board: str, player: Player, time_limit: int, last_move: Move
-    ) -> Generator[str, None, Union[Tuple[int, int, int], Tuple[int, ServerError, int], Tuple[int, UserError, int]],]:
+    ) -> Generator[str, None, Union[Tuple[int, int, int], Tuple[int, ServerError, int], Tuple[int, UserError, int]], ]:
         if self.process.poll():
             print(self.process.communicate())
             return -1, ServerError.PROCESS_EXITED, -1
@@ -144,7 +144,7 @@ def stop(self):
     @capture_generator_value
     def get_move(
         self, board: str, player: Player, time_limit: int, last_move: Move
-    ) -> Generator[str, None, Union[Tuple[int, int, int], Tuple[int, ServerError, int], Tuple[int, UserError, int]],]:
+    ) -> Generator[str, None, Union[Tuple[int, int, int], Tuple[int, ServerError, int], Tuple[int, UserError, int]], ]:
         yield "Choose your move!"
         start = time.time()
         while True: