def set_piece_at(self, square, piece):
'''
In `BaseBoard`, this method expects a square and a Piece object.
But for BlindBoards, we only need the second argument to be a color
(we don't need the piece type).
'''
if piece in chess.COLORS:
piece = Piece(PAWN, piece)
elif not isinstance(piece, Piece):
raise ValueError("`%s` is neither a `bool` nor a Piece object"
% str(piece))
return BaseBoard.set_piece_at(self, square, piece)
