[PATCH 2 of 8] import-checker: use print_function

[Yuya Nishihara]

On Wed, 30 Mar 2016 04:24:02 -0500, timeless wrote:
> # HG changeset patch
> # User timeless <timeless at mozdev.org>
> # Date 1459313716 0
> #      Wed Mar 30 04:55:16 2016 +0000
> # Node ID 044a54c5a3b80596f4c0c3625905248b7557691a
> # Parent  5c2c41affe213e7b8ad26759fd6ce5498f9d4b4c
> import-checker: use print_function

Queued the first two, thanks.