too many values to unpack (expected 2)

[AndrzejBandurski]

https://github.com/tensorlayer/srgan/blob/16c2e3f3d478a59675260d7d30389db110d0e0e3/train.py#L113

Traceback (most recent call last): File "train.py", line 356, in File "train.py", line 113, in train

ValueError: too many values to unpack (expected 2)

[yonghuixu]

Hi,is this problem solved? I also encountered the same situation.

[Fredy]

replace

for step, (lr_patchs, hr_patchs) in train_ds: 

with

for step, (lr_patchs, hr_patchs) in enumerate(train_ds): 

[AndrzejBandurski]

I have corrected this already by myself, thank you very much for conforming !

new Issue though... line 128: RuntimeError: GradientTape.gradient can only be called once on non-persistent tapes

[zsdonghao]

@AndrzejBandurski set persistent=True