Fix regionName parameter so as to not have a panic when it is not a string
Fix regionName parameter so as to not have a panic when it is not a string

jzwlqx/distribution,schu/distribution,jhicks-camgian/distribution,jzwlqx/denverdino.github.io,dobril-stanga/distribution,sebrandon1/distribution,joeuo/docker.github.io,LouisKottmann/distribution,joaofnfernandes/docker.github.io,BrianBland/distribution,wangmingshuai/distribution,cyli/distribution,alexisbellido/docker.github.io,shyr/distribution,menglingwei/denverdino.github.io,ContainerSolutions/distribution,nateww/distribution,armbuilds/distribution,thaJeztah/docker.github.io,calavera/distribution,thaJeztah/distribution,Gobliip/distribution,rhoml/distribution,thaJeztah/docker.github.io,stevvooe/distribution,jrjang/distribution,maquanyi/distribution,shin-/docker.github.io,denverdino/distribution,imranraja85/distribution,GerritForge/docker-registry,cezarsa/distribution,qiniu/distribution,runcom/distribution,londoncalling/docker.github.io,konnase/distribution,bdwill/docker.github.io,calavera/distribution,ibuildthecloud/distribution,gdevillele/docker.github.io,curtiszimmerman/distribution,adambrett-forks/distribution,aaronlehmann/distribution,sergeyfd/distribution,xiekeyang/distribution,menglingwei/denverdino.github.io,rodacom/docker-hub,danix800/docker.github.io,duglin/distribution,deis/distribution,humble00/distribution,hopkings2008/distribution,rillig/docker.github.io,cezarsa/distribution,docker/docker.github.io,13W/distribution,RichardScothern/distribution,RyanDeng/distribution,beni55/distribution,aduermael/docker.github.io,aibaars/distribution,docker-zh/docker.github.io,estesp/distribution,genedock/distribution,LuisBosquez/docker.github.io,BrickXu/distribution,apuigsech/distribution,denverdino/denverdino.github.io,docker-zh/docker.github.io,pdevine/distribution,lebauce/distribution,joeuo/docker.github.io,londoncalling/docker.github.io,bpradipt/distribution,bsmr-docker/distribution,donhcd/distribution,shin-/docker.github.io,BradleyA/distribution,anweiss/docker.github.io,anweiss/docker.github.io,jpoler/distribution,GerritForge/docker-registry,huamai-io/distribution,gdevillele/docker.github.io,JimGalasyn/docker.github.io,harrisonfeng/distribution,iskradelta/distribution,londoncalling/docker.github.io,13W/distribution,gorcz/distribution,dobril-stanga/distribution,denverdino/distribution-fuse,denverdino/distribution-stevvooe,thaJeztah/docker.github.io,jlhawn/distribution,linearregression/distribution,noxiouz/distribution,lorieri/distribution,atyenoria/distribution,aduermael/docker.github.io,LouisKottmann/distribution,estesp/distribution,alexisbellido/docker.github.io,harche/distribution,gierschv/distribution,phiroict/docker,denverdino/denverdino.github.io,AoJ/distribution,sadlil/distribution,RyanDeng/distribution,jramseye/distribution,aybabtme/distribution,johnstep/docker.github.io,bigsurge/distribution,thelinuxkid/distribution,ChenLingPeng/distribution,menglingwei/denverdino.github.io,genedock/distribution,tschoots/distribution,joeuo/docker.github.io,phiroict/docker,sanscontext/docker.github.io,denverdino/denverdino.github.io,alexisbellido/docker.github.io,AndreyKostov/distribution,BradleyA/distribution,joeuo/docker.github.io,baloo/distribution,jpoler/distribution,bdwill/docker.github.io,spacexnice/distribution,denverdino/docker.github.io,schu/distribution,aibaars/distribution,hpcloud/distribution,shyr/distribution,troy0820/docker.github.io,donhcd/distribution,arneluehrs/distribution,thaJeztah/docker.github.io,dv/distribution,aaronlehmann/distribution,Gobliip/distribution,danix800/docker.github.io,championv/distribution,zhangcoldwater/distribution,joaofnfernandes/docker.github.io,miminar/distribution,kmala/distribution,wangmingshuai/distribution,menglingwei/denverdino.github.io,sadlil/distribution,shin-/docker.github.io,sergeyfd/distribution,n1tr0g/distribution,vdemeester/distribution,rillig/docker.github.io,sanscontext/docker.github.io,jwhonce/distribution,qiniu/distribution,mbentley/distribution,lcarstensen/distribution,endophage/distribution,paulczar/distribution,zerosign/distribution,anweiss/docker.github.io,gavioto/distribution,bdwill/docker.github.io,dmp42/distribution,dmcgowan/distribution,bpradipt/distribution,miminar/distribution,johnstep/docker.github.io,sallyom/distribution,yeghishe/distribution,Tiesheng/distribution,bsmr-docker/distribution,joaofnfernandes/docker.github.io,bobphill/distribution,docker-zh/docker.github.io,RaviTezu/distribution,BSWANG/denverdino.github.io,manoj535/distribution,djenriquez/distribution,jonboulle/distribution,jlhawn/distribution,sthapaun/distribution,aduermael/docker.github.io,bdwill/docker.github.io,shin-/docker.github.io,joeuo/docker.github.io,tian-xiaobo/distribution,liubin/distribution,hopkings2008/distribution,sanscontext/docker.github.io,arvindkandhare/distribution,jmitchell/distribution,docker/docker.github.io,hanleys/distribution,armbuilds/distribution,moxiegirl/distribution,zhaytee/distribution,konstruktoid/distribution,nwt/distribution,orivej/distribution,shubheksha/docker.github.io,RaviTezu/distribution,dtromb/distribution,iskradelta/distribution,mbentley/dis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