Created by: zhaotun

基本环境：centos7 cuda10.1 cudnn7.6.5 python3.6.10 paddle1.8.3 按照 30分钟玩转PaddleClas 这里第二部分，下载预训练模型时执行以下命令

$ ls
configs  dataset  docs  LICENSE  ppcls  README_en.md  README.md  requirements.txt  tools
$ export PYTHONPATH=./:$PYTHONPATH
$ sudo python tools/download.py -a MobileNetV3_large_x1_0 -p ./pretrained -d True
Traceback (most recent call last):
  File "tools/download.py", line 17, in <module>
    from ppcls import model_zoo
ModuleNotFoundError: No module named 'ppcls'

发生 No module named 'ppcls' 错误，请问如何解决，谢谢！