Fix whitespace issue in indent
Fix whitespace issue in indent

Extra whitespace cleanup in nova/cells/messaging.py

Change-Id: I000b2585ab9018af42f25bc83e7e0b0c2bd92e5a

gooddata/openstack-nova,mikalstill/nova,redhat-openstack/nova,viggates/nova,TwinkleChawla/nova,varunarya10/nova_test_latest,angdraug/nova,apporc/nova,barnsnake351/nova,Yusuke1987/openstack_template,thomasem/nova,CEG-FYP-OpenStack/scheduler,mahak/nova,rahulunair/nova,tanglei528/nova,plumgrid/plumgrid-nova,CCI-MOC/nova,alaski/nova,JianyuWang/nova,cloudbau/nova,kimjaejoong/nova,maelnor/nova,yosshy/nova,petrutlucian94/nova,saleemjaveds/https-github.com-openstack-nova,hanlind/nova,bigswitch/nova,jianghuaw/nova,badock/nova,sebrandon1/nova,klmitch/nova,whitepages/nova,mikalstill/nova,tangfeixiong/nova,berrange/nova,double12gzh/nova,mandeepdhami/nova,rahulunair/nova,Tehsmash/nova,dims/nova,j-carpentier/nova,luogangyi/bcec-nova,cyx1231st/nova,rickerc/nova_audit,scripnichenko/nova,citrix-openstack-build/nova,iuliat/nova,JianyuWang/nova,openstack/nova,OpenAcademy-OpenStack/nova-scheduler,LoHChina/nova,devoid/nova,Yuriy-Leonov/nova,akash1808/nova_test_latest,Metaswitch/calico-nova,CiscoSystems/nova,TieWei/nova,imsplitbit/nova,tianweizhang/nova,tealover/nova,shootstar/novatest,ted-gould/nova,rahulunair/nova,hanlind/nova,bclau/nova,blueboxgroup/nova,BeyondTheClouds/nova,NeCTAR-RC/nova,maelnor/nova,tudorvio/nova,Francis-Liu/animated-broccoli,akash1808/nova,klmitch/nova,spring-week-topos/nova-week,BeyondTheClouds/nova,joker946/nova,yatinkumbhare/openstack-nova,alexandrucoman/vbox-nova-driver,MountainWei/nova,edulramirez/nova,noironetworks/nova,rajalokan/nova,takeshineshiro/nova,akash1808/nova_test_latest,Brocade-OpenSource/OpenStack-DNRM-Nova,joker946/nova,zzicewind/nova,leilihh/nova,rrader/nova-docker-plugin,affo/nova,bclau/nova,jianghuaw/nova,JioCloud/nova,cloudbau/nova,CloudServer/nova,cernops/nova,kimjaejoong/nova,mandeepdhami/nova,alvarolopez/nova,alexandrucoman/vbox-nova-driver,alaski/nova,vladikr/nova_drafts,klmitch/nova,JioCloud/nova_test_latest,mmnelemane/nova,BeyondTheClouds/nova,belmiromoreira/nova,DirectXMan12/nova-hacking,tianweizhang/nova,rajalokan/nova,alvarolopez/nova,LoHChina/nova,Metaswitch/calico-nova,felixma/nova,cloudbase/nova,Tehsmash/nova,zaina/nova,phenoxim/nova,DirectXMan12/nova-hacking,vmturbo/nova,imsplitbit/nova,watonyweng/nova,adelina-t/nova,shail2810/nova,leilihh/nova,mmnelemane/nova,eonpatapon/nova,JioCloud/nova_test_latest,SUSE-Cloud/nova,gooddata/openstack-nova,JioCloud/nova,TieWei/nova,projectcalico/calico-nova,vmturbo/nova,adelina-t/nova,devendermishrajio/nova_test_latest,Yuriy-Leonov/nova,eharney/nova,qwefi/nova,vmturbo/nova,petrutlucian94/nova,bgxavier/nova,luogangyi/bcec-nova,CCI-MOC/nova,CEG-FYP-OpenStack/scheduler,CloudServer/nova,phenoxim/nova,nikesh-mahalka/nova,thomasem/nova,cloudbase/nova-virtualbox,klmitch/nova,fnordahl/nova,OpenAcademy-OpenStack/nova-scheduler,virtualopensystems/nova,citrix-openstack-build/nova,dims/nova,SUSE-Cloud/nova,ntt-sic/nova,Stavitsky/nova,mahak/nova,rickerc/nova_audit,eharney/nova,zhimin711/nova,redhat-openstack/nova,double12gzh/nova,rajalokan/nova,Juniper/nova,eayunstack/nova,openstack/nova,qwefi/nova,viggates/nova,vmturbo/nova,virtualopensystems/nova,cloudbase/nova-virtualbox,ewindisch/nova,blueboxgroup/nova,vladikr/nova_drafts,CiscoSystems/nova,silenceli/nova,shail2810/nova,jianghuaw/nova,rajalokan/nova,nikesh-mahalka/nova,orbitfp7/nova,Juniper/nova,noironetworks/nova,cloudbase/nova,takeshineshiro/nova,barnsnake351/nova,isyippee/nova,j-carpentier/nova,MountainWei/nova,sacharya/nova,Juniper/nova,hanlind/nova,spring-week-topos/nova-week,jianghuaw/nova,sebrandon1/nova,cernops/nova,apporc/nova,ntt-sic/nova,petrutlucian94/nova_dev,mahak/nova,openstack/nova,felixma/nova,projectcalico/calico-nova,cloudbase/nova,affo/nova,silenceli/nova,tangfeixiong/nova,devoid/nova,ruslanloman/nova,leilihh/novaha,whitepages/nova,eayunstack/nova,ruslanloman/nova,zhimin711/nova,tealover/nova,jeffrey4l/nova,cernops/nova,edulramirez/nova,Stavitsky/nova,watonyweng/nova,tudorvio/nova,ted-gould/nova,Francis-Liu/animated-broccoli,eonpatapon/nova,angdraug/nova,leilihh/novaha,akash1808/nova,cyx1231st/nova,isyippee/nova,TwinkleChawla/nova,berrange/nova,Brocade-OpenSource/OpenStack-DNRM-Nova,shahar-stratoscale/nova,gooddata/openstack-nova,zzicewind/nova,jeffrey4l/nova,devendermishrajio/nova,mgagne/nova,dawnpower/nova,scripnichenko/nova,bgxavier/nova,yosshy/nova,orbitfp7/nova,fnordahl/nova,gooddata/openstack-nova,saleemjaveds/https-github.com-openstack-nova,petrutlucian94/nova_dev,belmiromoreira/nova,NeCTAR-RC/nova,DirectXMan12/nova-hacking,devendermishrajio/nova_test_latest,yatinkumbhare/openstack-nova,varunarya10/nova_test_latest,Yusuke1987/openstack_template,raildo/nova,bigswitch/nova,shahar-stratoscale/nova,iuliat/nova,sacharya/nova,devendermishrajio/nova,raildo/nova,badock/nova,mgagne/nova,plumgrid/plumgrid-nova,shootstar/novatest,sebrandon1/nova,Juniper/nova,tanglei528/nova,dawnpower/nova,mikalstill/nova,zaina/nova,rrader/nova-docker-plugin,ewindisch/nova