Mac pip按照提示更新沒有成功

pip報錯，按照提示更新沒有成功

You are using pip version 9.0.1, however version 9.0.3 is available.
You should consider upgrading via the 'pip install --upgrade pip' command.      

解決辦法：

1、下載下傳pip

https://pypi.python.org/pypi/pip

2、解壓安裝

sudo python setup.py install      

3、檢視版本

pip --version      

參考：

1. 

You are using pip version 9.0.1, however version 9.0.3 is available.