RuntimeError: Found 0 images in subfolders of /root/dota/train/clstrain/Airplane/train. Supported image extensions are .png, .jpg, .jpeg

[G-LittleSun]

Traceback (most recent call last):
File "train.py", line 800, in
main()
File "train.py", line 477, in main
batch_size=args.batch_size, repeats=args.epoch_repeats)
File "/root/gzz/timm/timm/data/dataset_factory.py", line 29, in create_dataset
ds = ImageDataset(root, parser=name, **kwargs)
File "/root/gzz/timm/timm/data/dataset.py", line 31, in init
parser = create_parser(parser or '', root=root, class_map=class_map)
File "/root/gzz/timm/timm/data/parsers/parser_factory.py", line 28, in create_parser
parser = ParserImageFolder(root, **kwargs)
File "/root/gzz/timm/timm/data/parsers/parser_image_folder.py", line 54, in init
f'Found 0 images in subfolders of {root}. Supported image extensions are {", ".join(IMG_EXTENSIONS)}')
RuntimeError: Found 0 images in subfolders of /root/dota/train/clstrain/Airplane/train. Supported image extensions are .png, .jpg, .jpeg
Traceback (most recent call last):
File "/root/anaconda3/envs/gzz/lib/python3.7/runpy.py", line 193, in _run_module_as_main
"main", mod_spec)
File "/root/anaconda3/envs/gzz/lib/python3.7/runpy.py", line 85, in _run_code
exec(code, run_globals)
File "/root/anaconda3/envs/gzz/lib/python3.7/site-packages/torch/distributed/launch.py", line 261, in
main()
File "/root/anaconda3/envs/gzz/lib/python3.7/site-packages/torch/distributed/launch.py", line 257, in main
cmd=cmd)
subprocess.CalledProcessError: Command '['/root/anaconda3/envs/gzz/bin/python3', '-u', 'train.py', '--local_rank=0', '/root/dota/train/clstrain/Airplane', '--model', 'efficientnet_b2', '-b', '128', '--sched', 'step', '--epochs', '450', '--decay-epochs', '2.4', '--decay-rate', '.97', '--opt', 'rmsproptf', '--opt-eps', '.001', '-j', '8', '--warmup-lr', '1e-6', '--weight-decay', '1e-5', '--drop', '0.3', '--drop-connect', '0.2', '--model-ema', '--model-ema']' returned non-zero exit status 1.

[G-LittleSun]

I modified constants.py to add my image format and it worked.