prechecks: be nice, use print in Py3 way

Message ID 660089@I7a99567b3d16830e1db641e82a7c9e4eca1ae4e6
State Accepted
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Message

Marcin Juszkiewicz May 20, 2019, 10:53 a.m.
Project: openstack/kolla-ansible
https://review.openstack.org/#/c/660089/

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