Fix gettext wrong argument error in py34
Fix gettext wrong argument error in py34

Closes-Bug: #1550202
Change-Id: I468bef7a8c0a9fa93576744e7869dfa5f2569fa0

openstack/tacker,trozet/tacker,priya-pp/Tacker,zeinsteinz/tacker,zeinsteinz/tacker,stackforge/tacker,openstack/tacker,trozet/tacker,openstack/tacker,priya-pp/Tacker,stackforge/tacker