方案一:加大延时时间
pip --default-timeout=100 install -U package
方案二:换国内镜像源
配置文件:
[global]
index-url = https://pypi.tuna.tsinghua.edu.cn/simple
[install]
trusted-host=mirrors.aliyun.com
临时更改:
pip install -i https://pypi.tuna.tsinghua.edu.cn/simple package