Train.py error

[susancurry]

Sorry, I would like to ask if I downloaded my own license plate database, the implementation of train.py file will appear the following mistakes, because my path is not set up? Or the size of the picture is not set, trouble you master to help me Look at this problem!

Traceback (most recent call last): File "train.py", line 266, in initial_weights=initial_weights) File "train.py", line 232, in train test_xs, test_ys = unzip(list(read_data("test/*.png"))[:50]) File "train.py", line 72, in unzip xs, ys = zip(*b) ValueError: not enough values to unpack (expected 2, got 0)