Zero division by bbox[3]

[shi27feng]

Hi,
I got a zero division error during the training, I'm wondering when a bbox[3] has a zero value?
Please help to solve this issue, thanks a lot!

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index created!
14%|██████████████████▊ | 9072/64115 [11:40<52:52, 17.35it/s]Traceback (most recent call last):
File "train.py", line 81, in
main(option)
File "train.py", line 68, in main
Evaluation(model, opt)
File "~/pose_residual_network.pytorch/src/eval.py", line 221, in Evaluation
y_scale = float(h) / math.ceil(b[3])
ZeroDivisionError: float division by zero
14%|██████████████████▌ | 9072/64115 [11:40<1:10:52, 12.95it/s]