message: Fix for travis build failure due to Python 3.5 specific code.
diff: @@ -418,8 +418,9 @@ class Node(object):
  retMap["returncode"]=ex.returncode
  retMap["cmd"]=ex.cmd
  retMap["output"]=ex.output
  - retMap["stdout"]=ex.stdout
  - retMap["stderr"]=ex.stderr
  + # commented below as they are available only in Python3.5 and above
  + # retMap["stdout"]=ex.stdout
  + # retMap["stderr"]=ex.stderr
  return retMap
  if shouldFail:
  