pip install -i https://pypi.tuna.tsinghua.edu.cn/simple xgboost
pip install -i https://pypi.tuna.tsinghua.edu.cn/simple lightgbm

pip install -i https://pypi.tuna.tsinghua.edu.cn/simple xgboost
pip install -i https://pypi.tuna.tsinghua.edu.cn/simple lightgbm