更换pip源

更换pip源

# 清华源
pip config set global.index-url https://pypi.tuna.tsinghua.edu.cn/simple

# 阿里源
pip config set global.index-url https://mirrors.aliyun.com/pypi/simple/

# 腾讯源
pip config set global.index-url https://mirrors.cloud.tencent.com/pypi/simple

# 豆瓣源
pip config set global.index-url https://pypi.douban.com/simple/