some path errors occur when running data_preprocesser.py

[Sara666-LI]

python lib/core/data_preprocessor.py --cfg configs/kitti/3dssd/3dssd.yaml --split training --img_list train
Traceback (most recent call last):
File "lib/core/data_preprocessor.py", line 11, in
from lib.dataset.dataloader import choose_dataset
File "/home/sara/3DSSD/lib/dataset/dataloader/init.py", line 5, in
from .kitti_dataloader import KittiDataset
File "/home/sara/3DSSD/lib/dataset/dataloader/kitti_dataloader.py", line 21, in
from utils.tf_ops.evaluation.tf_evaluate import evaluate, calc_iou
File "/home/sara/3DSSD/lib/utils/tf_ops/evaluation/tf_evaluate.py", line 7, in
evaluate_module=tf.load_op_library(os.path.join(BASE_DIR, 'tf_evaluate_so.so'))
File "/home/sara/anaconda3/envs/3dssd/lib/python3.6/site-packages/tensorflow_core/python/framework/load_library.py", line 61, in load_op_library
lib_handle = py_tf.TF_LoadLibrary(library_filename)
tensorflow.python.framework.errors_impl.NotFoundError: libtensorflow_framework.so.2: cannot open shared object file: No such file or directory