def __len__(self):
    '[summary]\n\n        Returns:\n            [int: [the dimension of the box]\n        '
    return self.bounds.shape[0]
[summary]

Returns:
    [int: [the dimension of the box]
def __len__(self):
    '[summary]\n\n        Returns:\n            [int: [the dimension of the box]\n        '
    return self.bounds.shape[0]