title: AttributeError: 'module' object has no attribute 'OP_NO_TLSv1_1
body: <p><a href="https://i.stack.imgur.com/OiNtg.png" rel="nofollow noreferrer">enter image description here</a></p>
  
  <p>please help me, why error like this?
  see pic in above, i run my code and import this library.</p>
  
  <p><code>import paho.mqtt.client as mqtt
     from twisted.internet import reactor, protocol
     from txws import WebSocketFactory
     import json</code></p>