mypy: Amend chess bot, to pass with strict-optional.
@@ -162,7 +162,7 @@ class ChessHandler(object):
- bot_handler: The Zulip Bots bot handler object.
- fen: The FEN string of the board.
- Returns: `False` if the board didn't pass, or the board object itself
+ Returns: `None` if the board didn't pass, or the board object itself
if it did.
"""
try:
@@ -172,7 +172,7 @@ class ChessHandler(object):
message,
make_copied_wrong_response()
)
- return False
+ return None
return last_board
@@ -417,7 +417,7 @@ class ChessHandler(object):
self.engine
)
- new_board_after_computer_move = copy.copy(last_board)
+ new_board_after_computer_move = copy.copy(last_board) # type: chess.Board
new_board_after_computer_move.push(computer_move)
if self.check_game_over(
