something error in prepare.py

[AltoriaDD]

Hello,Thank you for your work I find some Picture address error if you run as preapare.py set, in the line of 24，25, 26 ,78 cv2.imwrite(str(test_real_dir)+'{:05}.png'.format(img_idx),img) The picture cannot be put into the address correctly, resulting in the subsequent py files not running normally. So I made some changes： cv2.imwrite(os.path.join(test_real_dir,'{:05}.png'.format(img_idx)),img) Make the same change for similar parts Hope it can be helpful for novices.

[wangxihao]

cv2.imwrite(os.path.join(test_real_dir,'{:05}.png'.format(img_idx)),img)

So kind, 3Q!