there is something wrong with my machine and I reinstall my ubuntu. I re-gitclone the code and just keep the data.but when I follow the readme to do installation,it print:

(monoscene) potato@ubuntu-X299-UD4-Pro:/workplace/MonoScene$ pip install -e ./
Obtaining file:///home/potato/workplace/MonoScene
Installing collected packages: monoscene
Running setup.py develop for monoscene
Successfully installed monoscene-0.0.0
(monoscene) potato@ubuntu-X299-UD4-Pro:/workplace/MonoScene$ python monoscene/scripts/train_monoscene.py dataset=kitti enable_log=true kitti_root=$KITTI_ROOT kitti_preprocess_root=$KITTI_PREPROCESS kitti_logdir=$KITTI_LOG n_gpus=1 batch_size=1 sem_scal_loss=False
Traceback (most recent call last):
File "monoscene/scripts/train_monoscene.py", line 1, in
from monoscene.data.semantic_kitti.kitti_dm import KittiDataModule
File "/home/potato/workplace/MonoScene/monoscene/data/semantic_kitti/kitti_dm.py", line 3, in
import pytorch_lightning as pl
File "/home/potato/anaconda3/envs/monoscene/lib/python3.7/site-packages/pytorch_lightning/init.py", line 20, in
from pytorch_lightning import metrics # noqa: E402
File "/home/potato/anaconda3/envs/monoscene/lib/python3.7/site-packages/pytorch_lightning/metrics/init.py", line 15, in
from pytorch_lightning.metrics.classification import ( # noqa: F401
File "/home/potato/anaconda3/envs/monoscene/lib/python3.7/site-packages/pytorch_lightning/metrics/classification/init.py", line 14, in
from pytorch_lightning.metrics.classification.accuracy import Accuracy # noqa: F401
File "/home/potato/anaconda3/envs/monoscene/lib/python3.7/site-packages/pytorch_lightning/metrics/classification/accuracy.py", line 18, in
from pytorch_lightning.metrics.utils import deprecated_metrics, void
File "/home/potato/anaconda3/envs/monoscene/lib/python3.7/site-packages/pytorch_lightning/metrics/utils.py", line 22, in
from torchmetrics.utilities.data import get_num_classes as _get_num_classes
ImportError: cannot import name 'get_num_classes' from 'torchmetrics.utilities.data' (/home/potato/anaconda3/envs/monoscene/lib/python3.7/site-packages/torchmetrics/utilities/data.py)