Directive "from __future__ import print_function" is not an actual
import, but it enables print statement in py2 to behave like a real
function in py3.
This allows us to use print() function in py2/py3 compatible way.
This reverts commit 9910cbc746.
Change-Id: Ibdef82f0da42e815fd6c9ec632d0fd36c272b094