fix type error
fix type error

deserted/letsencrypt,DavidGarciaCat/letsencrypt,lmcro/letsencrypt,mrb/letsencrypt,sjerdo/letsencrypt,jsha/letsencrypt,skynet/letsencrypt,martindale/letsencrypt,kevinlondon/letsencrypt,bsmr-misc-forks/letsencrypt,thanatos/lets-encrypt-preview,kevinlondon/letsencrypt,g1franc/lets-encrypt-preview,ghyde/letsencrypt,mitnk/letsencrypt,lmcro/letsencrypt,tyagi-prashant/letsencrypt,jsha/letsencrypt,wteiken/letsencrypt,deserted/letsencrypt,Sveder/letsencrypt,lbeltrame/letsencrypt,jtl999/certbot,VladimirTyrin/letsencrypt,Sveder/letsencrypt,dietsche/letsencrypt,Jadaw1n/letsencrypt,tyagi-prashant/letsencrypt,letsencrypt/letsencrypt,Bachmann1234/letsencrypt,brentdax/letsencrypt,beermix/letsencrypt,stweil/letsencrypt,armersong/letsencrypt,DavidGarciaCat/letsencrypt,hsduk/lets-encrypt-preview,xgin/letsencrypt,TheBoegl/letsencrypt,beermix/letsencrypt,kuba/letsencrypt,skynet/letsencrypt,Bachmann1234/letsencrypt,piru/letsencrypt,fmarier/letsencrypt,TheBoegl/letsencrypt,BKreisel/letsencrypt,jtl999/certbot,g1franc/lets-encrypt-preview,riseofthetigers/letsencrypt,hsduk/lets-encrypt-preview,lbeltrame/letsencrypt,BillKeenan/lets-encrypt-preview,armersong/letsencrypt,BKreisel/letsencrypt,mrb/letsencrypt,fmarier/letsencrypt,dietsche/letsencrypt,goofwear/letsencrypt,riseofthetigers/letsencrypt,luorenjin/letsencrypt,thanatos/lets-encrypt-preview,twstrike/le_for_patching,bsmr-misc-forks/letsencrypt,Hasimir/letsencrypt,twstrike/le_for_patching,ghyde/letsencrypt,martindale/letsencrypt,BillKeenan/lets-encrypt-preview,kuba/letsencrypt,brentdax/letsencrypt,Hasimir/letsencrypt,luorenjin/letsencrypt,xgin/letsencrypt,goofwear/letsencrypt,rlustin/letsencrypt,sjerdo/letsencrypt,mitnk/letsencrypt,letsencrypt/letsencrypt,Jadaw1n/letsencrypt,rlustin/letsencrypt,stweil/letsencrypt,piru/letsencrypt,wteiken/letsencrypt,VladimirTyrin/letsencrypt