Python “pip install ” is failing with AttributeError: ‘module’ object has no attribute ‘SSL_ST_INIT’

$ sudo pip install –upgrade pyOpenSSL

Traceback (most recent call last):
  File "/usr/local/bin/pip", line 9, in <module>
load_entry_point('pip==8.1.1', 'console_scripts', 'pip')()
File "/usr/lib/python2.7/dist-packages/pkg_resources/__init__.py", line 558, 
in load_entry_point
return get_distribution(dist).load_entry_point(group, name)
File "/usr/lib/python2.7/dist-packages/pkg_resources/__init__.py", line 
2682, in load_entry_point
return ep.load()
File "/usr/lib/python2.7/dist-packages/pkg_resources/__init__.py", line 
2355, in load
return self.resolve()
File "/usr/lib/python2.7/dist-packages/pkg_resources/__init__.py", line 
2361, in resolve
 module = __import__(self.module_name, fromlist=['__name__'], level=0)
File "/usr/local/lib/python2.7/dist-packages/pip-8.1.1-
 py2.7.egg/pip/__init__.py", line 16, in <module>
from pip.vcs import git, mercurial, subversion, bazaar  # noqa
 File "/usr/local/lib/python2.7/dist-packages/pip-8.1.1-
 py2.7.egg/pip/vcs/mercurial.py", line 9, in <module>
from pip.download import path_to_url
File "/usr/local/lib/python2.7/dist-packages/pip-8.1.1-
py2.7.egg/pip/download.py", line 39, in <module>
from pip._vendor import requests, six
File "/usr/local/lib/python2.7/dist-packages/pip-8.1.1-
py2.7.egg/pip/_vendor/requests/__init__.py", line 53, in <module>
from .packages.urllib3.contrib import pyopenssl
File "/usr/local/lib/python2.7/dist-packages/pip-8.1.1-
  py2.7.egg/pip/_vendor/requests/packages/urllib3/contrib/pyopenssl.py", 
line 
54, in <module>
 import OpenSSL.SSL
   File "/usr/lib/python2.7/dist-packages/OpenSSL/__init__.py", line 8, in 
  <module>
    from OpenSSL import rand, crypto, SSL
    File "/usr/lib/python2.7/dist-packages/OpenSSL/SSL.py", line 118, in 
<module>
 SSL_ST_INIT = _lib.SSL_ST_INIT
AttributeError: 'module' object has no attribute 'SSL_ST_INIT'

I am unable to Uninstall ” pip uninstall pyopenssl “

Using pip gets me this error.

Thanks in advance.

Additional Details:

I am using

Distributor ID: Ubuntu
Description: Ubuntu 15.10
Release: 15.10
Codename: wily