Updated openstack/openstack
Project: openstack/python-glanceclient  12a1d719b2938ed7c6e4e17a4ae19251671e9fd3
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Fix python 3.x related Hacking warnings

Convert print operator usages to print functions.
Fix one instance of outdated "except x,y:" syntactical construct.
Remove usages of local() in string formatting alongway.

Change-Id: Id0673a9183a6ea6bd9bf3f5c6d8e7c5f114ebf01