title: SSLError in Python requests module
body: <p>I would like to authenticate to server from my client using certificate that is generated from server.I have a server-ca.crt and below is the CURL command that is working.How to send similar request using python requests module .</p>
  
  <pre><code>$ curl -X GET -u sat_username:sat_password \
  -H "Accept:application/json" --cacert katello-server-ca.crt \
  https://satellite6.example.com/katello/api/organizations
  </code></pre>
  
  <p>I have tried following way and it is getting some exception, can someone help in resolving this issue.</p>
  
  <pre><code> python requestsCert.py
  Traceback (most recent call last):
    File "requestsCert.py", line 2, in &lt;module&gt;
      res=requests.get('https://satellite6.example.com/katello/api/organizations', cert='/certificateTests/katello-server-ca.crt', verify=True)
    File "/usr/lib/python2.7/site-packages/requests/api.py", line 68, in get
      return request('get', url, **kwargs)
    File "/usr/lib/python2.7/site-packages/requests/api.py", line 50, in request
      response = session.request(method=method, url=url, **kwargs)
    File "/usr/lib/python2.7/site-packages/requests/sessions.py", line 464, in request
      resp = self.send(prep, **send_kwargs)
    File "/usr/lib/python2.7/site-packages/requests/sessions.py", line 576, in send
      r = adapter.send(request, **kwargs)
    File "/usr/lib/python2.7/site-packages/requests/adapters.py", line 431, in send
      raise SSLError(e, request=request)
  requests.exceptions.SSLError: [SSL] PEM lib (_ssl.c:2554)
  </code></pre>