content: from pysnmp.hlapi import CommunityData, UsmUserData
  
  # SHOULD FAIL
  a = CommunityData('public', mpModel=0)
  # SHOULD FAIL
  insecure = UsmUserData("securityName")
  # SHOULD FAIL
  auth_no_priv = UsmUserData("securityName","authName")
  # SHOULD PASS
  less_insecure = UsmUserData("securityName","authName","privName")
  