5.8.7安装阿里云oss失败

按照之前版主的帖子命令升级pip  输入pip install --upgrade pip后显示这个

Traceback (most recent call last):
  File "/usr/bin/pip", line 7, in <module>
    from pip._internal import main
  File "/usr/lib/python2.6/site-packages/pip/_internal/__init__.py", line 42, in <module>
    from pip._internal import cmdoptions
  File "/usr/lib/python2.6/site-packages/pip/_internal/cmdoptions.py", line 16, in <module>
    from pip._internal.index import (
  File "/usr/lib/python2.6/site-packages/pip/_internal/index.py", line 526
    {str(c.version) for c in all_candidates},

1. pip install oss2

复制代码

输入这条命令看看