对于mmaction2中提取视频中的骨架信息报错

问题遇到的现象和发生背景

mmaction2中 用ntu_pose_extraction.py提取视频中的骨架信息 报错

用代码块功能插入代码，请勿粘贴截图

python ntu_pose_extraction.py some_video_from_my_dataset.mp4 some_video_from_my_dataset.pkl

运行结果及报错内容

completed: 0, elapsed: 0sTraceback (most recent call last):
File "ntu_pose_extraction.py", line 346, in
anno = ntu_pose_extraction(args.video, args.skip_postproc)
File "ntu_pose_extraction.py", line 314, in ntu_pose_extraction
det_results = ntu_det_postproc(vid, det_results)
File "ntu_pose_extraction.py", line 258, in ntu_det_postproc
label = int(vid.split('/')[-1].split('A')[1][:3])
IndexError: list index out of range