title: from pysnmp.hlapi import * ImportError: No module named hlapi
body: <p>I install the package and it dependencies module in ubuntu 15.10 but still it show error of </p>
  
  <p>from pysnmp.hlapi import *
  ImportError: No module named hlapi</p>
  
  <p>I try to install it
  sudo setup.py install
  and 
  pip install pysnmp</p>
  
  <p>But still its not working</p>
  
  <p>Please help me to get it complete</p>