Retrying (Retry(total=1, connect=None, read=None, redirect=None, status=None)) after connection broken by 'NewConnectionError('<urllib3.connection.VerifiedHTTPSConnection object at 0x7fb6084c50>: Failed to establish a new connection: [Errno 101] 网络不可达',)'
这种报错往往是pip源，更换源即可成功下载
1.在主目录创建.pip文件夹
sudo mkdir .pip
2.进入./pip文件夹
cd .pip
3.创建pip.conf文件
sudo touch pip.conf
4.打开pip.conf文件
sudo gedit pip.conf
5.Ctrl+A,Ctrl+V
[global]
timeout = 6000
index-url = https://pypi.doubanio.com/simple
trusted-host = pypi.doubanio.com
6.保存
