PCB model does not work

[Npccc]

Is the PCB model not available now? It will report an error:

Traceback (most recent call last):
File "train_new.py", line 426, in
num_epochs=70)
File "train_new.py", line 207, in train_model
outputs, f = model(inputs)
ValueError: too many values to unpack (expected 2)