执行:
easy_install pip==9.0.1重试，如果报错：
Traceback (most recent call last):
File "/usr/bin/easy_install", line 5, in <modul[......]执行:
easy_install pip==9.0.1重试，如果报错：
Traceback (most recent call last):
File "/usr/bin/easy_install", line 5, in <modul[......]