problem when run main.py with mnist, Is there anyone have the same problem?or you know how this happen?please give me some advice!Thanks

[beautifullife99]

File "main.py", line 67, in
tf.app.run()
File "/home/fyh/anaconda2/envs/tensorflow/lib/python2.7/site-packages/tensorflow/python/platform/app.py", line 48, in run
_sys.exit(main(_sys.argv[:1] + flags_passthrough))
File "main.py", line 51, in main
dcgan.train(FLAGS)
File "/home/fyh/ESPCN/subpixel-master/model.py", line 141, in train
save_images(sample_input_images, [8, 8], os.path.join(self.sample_dir, "inputs_small.png"))
File "/home/fyh/ESPCN/subpixel-master/utils.py", line 22, in save_images
return imsave(inverse_transform(images[:num_im]), size, image_path)
File "/home/fyh/ESPCN/subpixel-master/utils.py", line 41, in imsave
return scipy.misc.imsave(path, merge(images, size))
File "/home/fyh/ESPCN/subpixel-master/utils.py", line 31, in merge
h, w = images.shape[1], images.shape[2]