当我尝试使用命令./core/gdrn_modeling/train_gdrn.sh configs/gdrn/lmo/a6_cPnP_AugAAETrunc_BG0.5_lmo_real_pbr0.1_40e.py 0进行训练时,报错如下: File "/home/xjyang/project/GDR-Net/core/gdrn_modeling/../../core/gdrn_modeling/datasets/lm_pbr.py", line 167, in __call__ assert osp.exists(xyz_path), xyz_path │ │ │ └ '/home/xjyang/project/GDR-Net/datasets/BOP_DATASETS/lmo/train_pbr/xyz_crop/000000/000000_000003-xyz.pkl' │ │ └ '/home/xjyang/project/GDR-Net/datasets/BOP_DATASETS/lmo/train_pbr/xyz_crop/000000/000000_000003-xyz.pkl' │ └ <function exists at 0x7fabce129dd0> └ <module 'posixpath' from '/home/xjyang/anaconda3/envs/gdrnet/lib/python3.7/posixpath.py'> 请问直接将lm下的xyz_crop文件夹就可以吗?还是像https://github.com/shanice-l/gdrnpp_bop2022/issues/23 中说的,用 GDR-Net/tools/lm/lm_pbr_1_gen_xyz_crop.py 去生成?