Not able to Run given validation/test code

[pankajbajpai]

While using the given command in README
"python -m torch.distributed.launch --nproc_per_node=8 experiment/validation.py --output_dir "/path/to/output/dir" --model_path checkpoints/hrnet48_OCR_IF_checkpoint.pth --arch "ocrnet.HRNet" --hrnet_base "48" --has_edge True"

getting below error
usage: validation.py [-h] [--tag TAG] [--no_run] [--interactive] [--no_cooldir] [--farm FARM] exp_yml

** All cmd line arguments are given as "unrecognized arguments"