【python】pip默认源更换为清华镜像
pip install package -i https://pypi.tuna.tsinghua.edu.cn/simple
永久使用
pip config set global.index-url https://pypi.tuna.tsinghua.edu.cn/simple
pip install package -i https://pypi.tuna.tsinghua.edu.cn/simple
pip config set global.index-url https://pypi.tuna.tsinghua.edu.cn/simple