Pylint an pep8 fixes
Pylint an pep8 fixes

rajalokan/keystone,rickerc/keystone_audit,idjaw/keystone,promptworks/keystone,vivekdhayaal/keystone,pvo/keystone,kwss/keystone,cloudbau/keystone,UTSA-ICS/keystone-kerberos,rodrigods/keystone,ging/keystone,sileht/deb-openstack-keystone,sileht/deb-openstack-keystone,ntt-pf-lab/backup_keystone,dsiddharth/access-keys,JioCloud/keystone,rickerc/keystone_audit,openstack/keystone,jamielennox/keystone,citrix-openstack-build/keystone,roopali8/keystone,dstanek/keystone,nuxeh/keystone,mahak/keystone,cbrucks/Federated_Keystone,jumpstarter-io/keystone,ajayaa/keystone,promptworks/keystone,townbull/keystone-dtrust,himanshu-setia/keystone,ntt-pf-lab/backup_keystone,jumpstarter-io/keystone,citrix-openstack-build/keystone,cbrucks/keystone_ldap,dstanek/keystone,kwss/keystone,cloudbau/keystone,UTSA-ICS/keystone-kerberos,rajalokan/keystone,dims/keystone,klmitch/keystone,ilay09/keystone,vivekdhayaal/keystone,cbrucks/keystone_ldap,ilay09/keystone,savi-dev/keystone,himanshu-setia/keystone,savi-dev/keystone,rushiagr/keystone,savi-dev/keystone,kwss/keystone,ntt-pf-lab/backup_keystone,openstack/keystone,pvo/keystone,klmitch/keystone,derekchiang/keystone,dstanek/keystone,mahak/keystone,cernops/keystone,mahak/keystone,maestro-hybrid-cloud/keystone,JioCloud/keystone,takeshineshiro/keystone,reeshupatel/demo,takeshineshiro/keystone,admiyo/keystone,cloudbau/keystone,rodrigods/keystone,townbull/keystone-dtrust,ajayaa/keystone,reeshupatel/demo,rajalokan/keystone,promptworks/keystone,cbrucks/Federated_Keystone,ntt-sic/keystone,cbrucks/Federated_Keystone,rushiagr/keystone,pvo/keystone,jonnary/keystone,ntt-sic/keystone,maestro-hybrid-cloud/keystone,MaheshIBM/keystone,jumpstarter-io/keystone,derekchiang/keystone,dims/keystone,dsiddharth/access-keys,sileht/deb-openstack-keystone,reeshupatel/demo,blueboxgroup/keystone,rickerc/keystone_audit,jamielennox/keystone,MaheshIBM/keystone,dsiddharth/access-keys,ilay09/keystone,cbrucks/keystone_ldap,nuxeh/keystone,ging/keystone,blueboxgroup/keystone,roopali8/keystone,nuxeh/keystone,rushiagr/keystone,cernops/keystone,openstack/keystone,ntt-sic/keystone,admiyo/keystone,admiyo/keystone,vivekdhayaal/keystone,derekchiang/keystone,idjaw/keystone,jonnary/keystone,townbull/keystone-dtrust,citrix-openstack-build/keystone