what is the problem?

[justinday123]

bash preprocess_dataset/run_preprocess.sh /home/nas2_userF/kangyeol/Project/webtoon2022/Paint-by-Sketch/samples 7
python: can't open file '../main.py': [Errno 2] No such file or directory
/workspace/jaewoong/Paint-by-Sketch/preprocess_dataset
Traceback (most recent call last):
File "binarize_sketch.py", line 33, in
sketch_files = sorted(os.listdir(sketch_root))
FileNotFoundError: [Errno 2] No such file or directory: '/home/nas2_userF/kangyeol/Project/webtoon2022/Paint-by-Sketch/samples/sketch/eval_results/imgs_epoch_019'

how can i solve this problem?