How was this file generated? nuscenes_infos_test.pkl include nuscenes_infos_train、nuscenes_infos_test

[xiaomin-D]

I tried several different infos methods, but all failed. Is this infos from mmdection3d? Or was it generated by another script? Hope to reply soon thanks！

│ ├── nuscenes_cam
│ │ ├── nuscenes_infos_test.pkl
│ │ ├── nuscenes_infos_train.pkl
│ │ ├── nuscenes_infos_val.pkl
│ │ └── nuscenes_infos_trainval_with_inds.pkl