dataset.json is no finded

[Takase-Syunki]

Thank you for suggesting a very good method.
I have a question.
When I run the following, nothing happens.
The reason is that the "dataset.json" used in the "get_original_video_paths" loop in "utils.py" does not exist.
The DFDC dataset has "metadata.json" but not "dataset.json".

"python preprocessing/detect_original_faces.py --root-dir trainig_dataset_directory"

Is there something wrong with the execution environment, etc.?