初学者在mac上运行zhihu.py时遇到了一些问题，求大神帮帮忙

[RayShark]

Traceback (most recent call last):
File "/Users/druw_shark/PycharmProjects/keras-zhihu-master-ForEasyDeepLeaning/zhihu.py", line 179, in
cropModel = load_model(crop_model)
File "/Library/Python/2.7/site-packages/keras/models.py", line 280, in load_model
model.optimizer.set_weights(optimizer_weight_values)
File "/Library/Python/2.7/site-packages/keras/optimizers.py", line 79, in set_weights
'provided weight shape ' + str(w.shape))
ValueError: Optimizer weight shape (4,) not compatible with provided weight shape (3, 3, 1, 4)