def __init__(self):
    self.owner = ([None] * (BoardConfig.total_squares + 1))
    self.piece_class = ([None] * (BoardConfig.total_squares + 1))
def __init__(self):
    self.owner = ([None] * (BoardConfig.total_squares + 1))
    self.piece_class = ([None] * (BoardConfig.total_squares + 1))