错误代码
Retrying (Retry(total=4, connect=None, read=None, redirect=None, status=None)) after connection broken by 'ReadTimeoutError("HTTPSConnectionPool(host='pypi.org', port=443): Read timed out. (read timeout=15)",)': /simple/certifi/
解决方案,cmd, cd到项目所在文件的Scripts目录, 执行pip install
这里是要安装的包名