ModuleNotFoundError: No module named 'pcdet.models.backbones_3d.focal_sparse_conv'

[Zixiu99]

python tools/train.py --cfg_file tools/cfgs/custom_models/pointrcnn.yaml --batch_size=2 --epochs=30
Traceback (most recent call last):
File "tools/train.py", line 7, in
from test import repeat_eval_ckpt
File "/home/zixiu/Desktop/OpenPCDet/tools/test.py", line 14, in
from eval_utils import eval_utils
File "/home/zixiu/Desktop/OpenPCDet/tools/eval_utils/eval_utils.py", line 8, in
from pcdet.models import load_data_to_gpu
File "/home/zixiu/anaconda3/envs/openpcdet/lib/python3.8/site-packages/pcdet-0.6.0+255db8f-py3.8-linux-x86_64.egg/pcdet/models/init.py", line 6, in
from .detectors import build_detector
File "/home/zixiu/anaconda3/envs/openpcdet/lib/python3.8/site-packages/pcdet-0.6.0+255db8f-py3.8-linux-x86_64.egg/pcdet/models/detectors/init.py", line 1, in
from .detector3d_template import Detector3DTemplate
File "/home/zixiu/anaconda3/envs/openpcdet/lib/python3.8/site-packages/pcdet-0.6.0+255db8f-py3.8-linux-x86_64.egg/pcdet/models/detectors/detector3d_template.py", line 8, in
from .. import backbones_2d, backbones_3d, dense_heads, roi_heads
File "/home/zixiu/anaconda3/envs/openpcdet/lib/python3.8/site-packages/pcdet-0.6.0+255db8f-py3.8-linux-x86_64.egg/pcdet/models/backbones_3d/init.py", line 4, in
from .spconv_backbone_focal import VoxelBackBone8xFocal
File "/home/zixiu/anaconda3/envs/openpcdet/lib/python3.8/site-packages/pcdet-0.6.0+255db8f-py3.8-linux-x86_64.egg/pcdet/models/backbones_3d/spconv_backbone_focal.py", line 7, in
from .focal_sparse_conv.focal_sparse_conv import FocalSparseConv
ModuleNotFoundError: No module named 'pcdet.models.backbones_3d.focal_sparse_conv'

[Zixiu99]

Reinstalling pcdet solves the problem.
python setup.py develop