Best IoU : 0.0

[TGLTommy]

Hello, Sorry to ask you that :
when I run your code : python3 lanenet/train.py --dataset ./data/training_data_example
I got the answer :
10 epochs 4 training samples

Epoch 0
Best IoU : 0.018680408861833846
Epoch 1
Best IoU : 0.0
Epoch 2
Best IoU : 0.0
Epoch 3
Best IoU : 0.0
Epoch 4
should save model
Best IoU : 0.0
Epoch 5
Best IoU : 0.0
Epoch 6
Best IoU : 0.0
Epoch 7
Best IoU : 0.0
Epoch 8
Best IoU : 0.0
Epoch 9
should save model
Best IoU : 0.0

I don't understand the output. Why ? Would you mind explaining it ?