Sorry, I can't reproduce your code

[52gentleman]

I have some trouble. I can't solve it. I'm sorry

Traceback (most recent call last):
File "train.py", line 249, in
main()
File "train.py", line 107, in main
train_set = create_dataset(dataset_opt)
File "/InvDN-main/codes/data/init.py", line 36, in create_dataset
dataset = D(dataset_opt)
File "/InvDN-main/codes/data/LQGTRN_dataset.py", line 25, in init
self.paths_GT, self.sizes_GT = util.get_image_paths(self.data_type, opt['dataroot_GT'])
File "/InvDN-main/codes/data/util.py", line 52, in get_image_paths
paths = sorted(_get_paths_from_images(dataroot))
File "/InvDN-main/codes/data/util.py", line 23, in _get_paths_from_images
assert os.path.isdir(path), '{:s} is not a valid directory'.format(path)
AssertionError: is not a valid directory

Traceback (most recent call last):
File "/InvDN-main/codes/train.py", line 250, in
main()
File "/InvDN-main/codes/train.py", line 37, in main
opt = option.parse(args.opt, is_train=True)
File "\InvDN-main\codes\options\options.py", line 10, in parse
with open(opt_path, mode='r') as f:
TypeError: expected str, bytes or os.PathLike object, not NoneType