$ python3 -m venv _pml_
$ source _pml_/bin/activate
$ python -m pip install –upgrade pip
$ python -m pip install –upgrade setuptools
$ pip list
# 安装库
$ pip install tensorflow
$ pip install matplotlib seaborn
$ pip install Pillow opencv-python opencv-contrib-python
$ pip install scikit-learn
# linux 上需要的
$ sudo apt install python3-tk