Error on main, maybe need add a 'get_start' guide?

[andyyuan78]

envy@ub1404:/os_pri/github/Sentiment-Analysis-using-Recursive-Autoencoders$ python main.py
Traceback (most recent call last):
File "main.py", line 26, in
backprop(1, train_data, train_labels, freq, d, num_cat, dict_length, alpha, beta, initv)
File "/home/envy/os_pri/github/Sentiment-Analysis-using-Recursive-Autoencoders/backprop.py", line 81, in backprop
grad_J = np.concatenate([F(gW1),F(gW2),F(gW3),F(gW4),F(gWcat),F(gWe),F(gb1),F(gb2),F(gb3),F(gbcat)],axis=1)
IndexError: axis 1 out of bounds [0, 1)
envy@ub1404:/os_pri/github/Sentiment-Analysis-using-Recursive-Autoencoders$