linux下安装python、paramiko模块

linux环境安装paramiko，根据这个文章进行安装就可以了
https://blog.csdn.net/zyingpei/article/details/89525410

我实际的安装paramiko报错如下
,然后按照提示，缺什么依赖包导什么依赖包就可以了

>>> import paramiko
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "build/bdist.linux-x86_64/egg/paramiko/__init__.py", line 22, in <module>
  File "build/bdist.linux-x86_64/egg/paramiko/transport.py", line 33, in <module>
ImportError: No module named cryptography.hazmat.backends




Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "build/bdist.linux-x86_64/egg/paramiko/__init__.py", line 22, in <module>
  File "build/bdist.linux-x86_64/egg/paramiko/transport.py", line 34, in <module>
  File "/usr/lib64/python2.7/site-packages/cryptography-2.7-py2.7-linux-x86_64.egg/cryptography/hazmat/primitives/ciphers/__init__.py", line 7, in <module>
    from cryptography.hazmat.primitives.ciphers.base import (
  File "/usr/lib64/python2.7/site-packages/cryptography-2.7-py2.7-linux-x86_64.egg/cryptography/hazmat/primitives/ciphers/base.py", line 12, in <module>
    from cryptography.exceptions import (
  File "/usr/lib64/python2.7/site-packages/cryptography-2.7-py2.7-linux-x86_64.egg/cryptography/exceptions.py", line 7, in <module>
    from enum import Enum
ImportError: No module named enum