pep8 error fixed for l2network_db.py
pep8 error fixed for l2network_db.py

SamYaple/neutron,waltBB/neutron_read,vijayendrabvs/ssl-neutron,pnavarro/neutron,sajuptpm/neutron-ipam,wenhuizhang/neutron,antonioUnina/neutron,CiscoSystems/vespa,CiscoSystems/QL3Proto,sebrandon1/neutron,ykaneko/neutron,blueboxgroup/neutron,Stavitsky/neutron,JianyuWang/neutron,netscaler/neutron,aristanetworks/arista-ovs-quantum,oeeagle/quantum,kaiweifan/vse-lbaas-plugin-poc,neoareslinux/neutron,neoareslinux/neutron,jerryz1982/neutron,huntxu/neutron,virtualopensystems/neutron,jerryz1982/neutron,virtualopensystems/neutron,mattt416/neutron,vivekanand1101/neutron,aristanetworks/neutron,projectcalico/calico-neutron,blueboxgroup/neutron,mmnelemane/neutron,vbannai/neutron,klmitch/neutron,yamt/neutron,takeshineshiro/neutron,rdo-management/neutron,leeseulstack/openstack,openstack/neutron,yuewko/neutron,kaiweifan/vse-lbaas-plugin-poc,cernops/neutron,eayunstack/neutron,magic0704/neutron,watonyweng/neutron,apporc/neutron,silenci/neutron,cloudbase/neutron-virtualbox,kaiweifan/vse-lbaas-plugin-poc,Brocade-OpenSource/OpenStack-DNRM-Neutron,kaiweifan/neutron,tylesmit/Quantum-Packages,citrix-openstack-build/neutron,beagles/neutron_hacking,liqin75/vse-vpnaas-plugin,ykaneko/quantum,alexandrucoman/vbox-neutron-agent,asgard-lab/neutron,barnsnake351/neutron,CiscoSystems/quantum,wolverineav/neutron,rickerc/neutron_audit,mattt416/neutron,Juniper/neutron,skyddv/neutron,zhhf/charging,rossella/neutron,Juniper/contrail-dev-neutron,citrix-openstack-build/neutron,savi-dev/quantum,silenci/neutron,paninetworks/neutron,mandeepdhami/neutron,swdream/neutron,miyakz1192/neutron,rickerc/neutron_audit,leeseulstack/openstack,shahbazn/neutron,adelina-t/neutron,sajuptpm/neutron-ipam,CiscoSystems/vespa,javaos74/neutron,eonpatapon/neutron,SamYaple/neutron,paninetworks/neutron,vijayendrabvs/hap,yamahata/tacker,zhhf/charging,yamahata/neutron,leeseulstack/openstack,yamt/neutron,pnavarro/neutron,leeseuljeong/leeseulstack_neutron,CiscoSystems/neutron,Brocade-OpenSource/OpenStack-DNRM-Neutron,psiwczak/quantum,kaiweifan/neutron,watonyweng/neutron,igor-toga/local-snat,armando-migliaccio/neutron,cernops/neutron,beagles/neutron_hacking,yamahata/tacker,Comcast/neutron,savi-dev/quantum,gkotton/neutron,gopal1cloud/neutron,adelina-t/neutron,antonioUnina/neutron,cloudbase/neutron,infobloxopen/neutron,vijayendrabvs/ssl-neutron,glove747/liberty-neutron,ykaneko/quantum,bgxavier/neutron,jumpojoy/neutron,tpaszkowski/quantum,gopal1cloud/neutron,kaiweifan/vse-lbaas-plugin-poc,ntt-sic/neutron,blueboxgroup/neutron,liqin75/vse-vpnaas-plugin,jumpojoy/neutron,netscaler/neutron,liqin75/vse-vpnaas-plugin,beagles/neutron_hacking,wenhuizhang/neutron,MaximNevrov/neutron,FreescaleSemiconductor/quantum,noironetworks/neutron,sasukeh/neutron,FreescaleSemiconductor/quantum,aristanetworks/arista-ovs-quantum,xchenum/quantum-bug,Juniper/contrail-dev-neutron,virtualopensystems/neutron,yamahata/neutron,CiscoSystems/neutron,netscaler/neutron,ykaneko/neutron,mandeepdhami/neutron,wolverineav/neutron,psiwczak/quantum,skyddv/neutron,xchenum/quantum,projectcalico/calico-neutron,asgard-lab/neutron,NeCTAR-RC/neutron,rossella/neutron,barnsnake351/neutron,FreescaleSemiconductor/quantum,sileht/deb-openstack-quantum,vijayendrabvs/hap,yanheven/neutron,chitr/neutron,xchenum/quantum-bug,ykaneko/neutron,mahak/neutron,ntt-sic/neutron,magic0704/neutron,zhhf/charging,xchenum/quantum-bug,vveerava/Openstack,ntt-sic/neutron,bigswitch/neutron,dhanunjaya/neutron,psiwczak/quantum,cloudbase/neutron,savi-dev/quantum,NeCTAR-RC/neutron,leeseuljeong/leeseulstack_neutron,miyakz1192/neutron,JioCloud/neutron,sajuptpm/neutron-ipam,takeshineshiro/neutron,aristanetworks/arista-ovs-quantum,swdream/neutron,CiscoSystems/neutron,xchenum/quantum,MaximNevrov/neutron,Juniper/neutron,xchenum/quantum,CiscoSystems/quantum,yanheven/neutron,Metaswitch/calico-neutron,rickerc/neutron_audit,CiscoSystems/QL3Proto,Comcast/neutron,JioCloud/neutron,yamahata/neutron,SmartInfrastructures/neutron,leeseuljeong/leeseulstack_neutron,rossella/neutron,dims/neutron,kaiweifan/neutron,armando-migliaccio/neutron,yamt/neutron,cloudbase/neutron-virtualbox,vivekanand1101/neutron,CiscoSystems/QL3Proto,sileht/deb-openstack-quantum,oeeagle/quantum,CiscoSystems/quantum,suneeth51/neutron,mahak/neutron,jacknjzhou/neutron,huntxu/neutron,rdo-management/neutron,sasukeh/neutron,noironetworks/neutron,openstack/neutron,armando-migliaccio/neutron,cisco-openstack/neutron,mahak/neutron,ykaneko/quantum,savi-dev/quantum,jacknjzhou/neutron,vveerava/Openstack,tpaszkowski/quantum,alexandrucoman/vbox-neutron-agent,Stavitsky/neutron,yamahata/tacker,eonpatapon/neutron,gkotton/neutron,Juniper/contrail-dev-neutron,openstack/neutron,vijayendrabvs/ssl-neutron,apporc/neutron,suneeth51/neutron,waltBB/neutron_read,armando-migliaccio/neutron,Metaswitch/calico-neutron,klmitch/neutron,tpaszkowski/quantum,sebrandon1/neutron,gkotton/neutron,JianyuWang/neutron,dims/neutron,citrix-openstack-build/neutron,redhat-openstack/neutron,vveerava/Openstack,chitr/neutron,bgxavier/neutron,Comcast/neutron,rossella/neutron,Juniper/neutron,aristanetworks/neutron,yuewko/neutron,bigswitch/neutron,liqin75/vse-vpnaas-plugin,Brocade-OpenSource/OpenStack-DNRM-Neutron,mmnelemane/neutron,shahbazn/neutron,javaos74/neutron,dhanunjaya/neutron,yamt/neutron,igor-toga/local-snat,glove747/liberty-neutron,FreescaleSemiconductor/quantum,CiscoSystems/vespa,infobloxopen/neutron,SmartInfrastructures/neutron,eayunstack/neutron,cisco-openstack/neutron,ykaneko/quantum,tylesmit/Quantum-Packages,vbannai/neutron,aristanetworks/arista-ovs-quantum,vbannai/neutron,sileht/deb-openstack-quantum,redhat-openstack/neutron,psiwczak/quantum,tpaszkowski/quantum,vijayendrabvs/hap