Python - pip 报错记录

# 安装包出现错误
$ pip install -r requirements.txt -i http://pypi.douban.com/simple/

ERROR: Could not find a version that satisfies the requirement pbr (from versions: none)
ERROR: No matching distribution found for pbr

# 解决，信任该源
$ pip install pbr --trusted-host pypi.douban.com
# 安装成功