Fix perm on file and remove main and unused import
Fix perm on file and remove main and unused import

Change-Id: I27310bac8c0a867fac00b8ba06e5c58e40b70028

openstack/congress,ramineni/my_congress,ekcs/congress,ekcs/congress,ekcs/congress,openstack/congress,ramineni/my_congress,ramineni/my_congress,ekcs/congress,ramineni/my_congress