'print' function is compatible with 2.x and 3.x python versions
Partially-implements blueprint py3-compatibility
Change-Id: Idea6704be7f49778ca9e99be5b7f449cb89f39dc
See I62ce43a330d7ae94eda4c7498782a655e63747fa for the gorey details on
why this exists.
As of this fix:
https://github.com/eventlet/eventlet/pull/34
which was released in eventlet 0.13, we no longer need the patch.
This has now been removed from oslo-incubator, so this is really just
syncing that removal.
Change-Id: I84267f3c6726cb2e750f615e107c48b12c6ed353