A ModuleNotFoundError when I train

[Hsy1996]

When I start to train, an error behind happend. I'm sure I have pascal_voc.py in datasets.So how can I solve this problem?

(tensorflow) hsy@hsy:~/tf-faster-rcnn$ ./experiments/scripts/train_faster_rcnn.sh 0 pascal_voc vgg16

• set -e
• export PYTHONUNBUFFERED=True
• PYTHONUNBUFFERED=True
• export LD_LIBRARY_PATH=/usr/local/cuda/lib64/
• LD_LIBRARY_PATH=/usr/local/cuda/lib64/
• GPU_ID=0
• DATASET=pascal_voc
• NET=vgg16
• array=($@)
• len=3
• EXTRA_ARGS=
• EXTRA_ARGS_SLUG=
• case ${DATASET} in
• TRAIN_IMDB=voc_2007_trainval
• TEST_IMDB=voc_2007_test
• STEPSIZE='[50000]'
• ITERS=1000
• ANCHORS='[8,16,32]'
• RATIOS='[0.5,1,2]' ++ date +%Y-%m-%d_%H-%M-%S
• LOG=experiments/logs/vgg16_voc_2007_trainval__vgg16.txt.2018-07-13_16-16-01
• exec ++ tee -a experiments/logs/vgg16_voc_2007_trainval__vgg16.txt.2018-07-13_16-16-01
• echo Logging output to experiments/logs/vgg16_voc_2007_trainvalvgg16.txt.2018-07-13_16-16-01 Logging output to experiments/logs/vgg16_voc_2007_trainvalvgg16.txt.2018-07-13_16-16-01
• set +x
• '[' '!' -f output/vgg16/voc_2007_trainval/default/vgg16_faster_rcnn_iter_1000.ckpt.index ']'
• [[ ! -z '' ]]
• CUDA_VISIBLE_DEVICES=0
• time python ./tools/trainval_net.py --weight data/imagenet_weights/vgg16.ckpt --imdb voc_2007_trainval --imdbval voc_2007_test --iters 1000 --cfg experiments/cfgs/vgg16.yml --net vgg16 --set ANCHOR_SCALES '[8,16,32]' ANCHOR_RATIOS '[0.5,1,2]' TRAIN.STEPSIZE '[50000]' Traceback (most recent call last): File "./tools/trainval_net.py", line 13, in from datasets.factory import get_imdb File "/home/hsy/tf-faster-rcnn/tools/../lib/datasets/factory.py", line 14, in from datasets.pascal_voc import pascal_voc ModuleNotFoundError: No module named 'datasets.pascal_voc' Command exited with non-zero status 1 1.35user 0.23system 0:01.35elapsed 117%CPU (0avgtext+0avgdata 123492maxresident)k 0inputs+0outputs (0major+24549minor)pagefaults 0swaps