ModuleNotFoundError: No module named 'prim3d'

[small-zeng]

using scene_id: 0616_00 train_suffix: 0616_00_pretrained vis_suffix: 0616_00_pretrained mvs_suffix: mvs **kwargs: --casting Traceback (most recent call last): File "scripts/train_pretrained.py", line 17, in from scripts.generate_normal import ray_casting_depth_normal File "/mnt/dataset/zengjing/HelixSurf/scripts/generate_normal.py", line 9, in import prim3d ModuleNotFoundError: No module named 'prim3d'

During handling of the above exception, another exception occurred:

Traceback (most recent call last): File "scripts/train_pretrained.py", line 19, in from generate_normal import ray_casting_depth_normal File "/mnt/dataset/zengjing/HelixSurf/scripts/generate_normal.py", line 9, in import prim3d ModuleNotFoundError: No module named 'prim3d'

[small-zeng]

When I run this code, the error occur, how to fix it?