python3.7 -m pip install Cython -i https://pypi.tuna.tsinghua.edu.cn/simple/ python3.7 -m pip install tensorflow -i https://pypi.tuna.tsinghua.edu.cn/simple/ python3.7 -m pip install opencv-python -i https://pypi.tuna.tsinghua.edu.cn/simple/

python3.7 -m pip install Cython -i https://pypi.tuna.tsinghua.edu.cn/simple/ python3.7 -m pip install tensorflow -i https://pypi.tuna.tsinghua.edu.cn/simple/ python3.7 -m pip install opencv-python -i https://pypi.tuna.tsinghua.edu.cn/simple/