py26 doesn't support set {} constructor. Use frozenset.
py26 doesn't support set {} constructor. Use frozenset.

fmarier/letsencrypt,luorenjin/letsencrypt,diracdeltas/lets-encrypt-preview,g1franc/lets-encrypt-preview,riseofthetigers/letsencrypt,sjerdo/letsencrypt,piru/letsencrypt,Sveder/letsencrypt,kuba/letsencrypt,Hasimir/letsencrypt,beermix/letsencrypt,luorenjin/letsencrypt,lmcro/letsencrypt,jmhodges/letsencrypt,twstrike/le_for_patching,BillKeenan/lets-encrypt-preview,Jonadabe/letsencrypt,DavidGarciaCat/letsencrypt,ruo91/letsencrypt,rutsky/letsencrypt,ruo91/letsencrypt,Bachmann1234/letsencrypt,brentdax/letsencrypt,rutsky/letsencrypt,armersong/letsencrypt,modulexcite/letsencrypt,deserted/letsencrypt,bsmr-misc-forks/letsencrypt,jtl999/certbot,bsmr-misc-forks/letsencrypt,sapics/letsencrypt,tdfischer/lets-encrypt-preview,dietsche/letsencrypt,thanatos/lets-encrypt-preview,modulexcite/letsencrypt,BKreisel/letsencrypt,riseofthetigers/letsencrypt,solidgoldbomb/letsencrypt,fmarier/letsencrypt,stewnorriss/letsencrypt,letsencrypt/letsencrypt,sapics/letsencrypt,letsencrypt/letsencrypt,BillKeenan/lets-encrypt-preview,solidgoldbomb/letsencrypt,kevinlondon/letsencrypt,Bachmann1234/letsencrypt,ghyde/letsencrypt,sjerdo/letsencrypt,ahojjati/letsencrypt,vcavallo/letsencrypt,stweil/letsencrypt,deserted/letsencrypt,ahojjati/letsencrypt,lmcro/letsencrypt,hlieberman/letsencrypt,thanatos/lets-encrypt-preview,beermix/letsencrypt,digideskio/lets-encrypt-preview,bestwpw/letsencrypt,ghyde/letsencrypt,rugk/letsencrypt,hsduk/lets-encrypt-preview,armersong/letsencrypt,jmhodges/letsencrypt,VladimirTyrin/letsencrypt,jsha/letsencrypt,jsha/letsencrypt,stweil/letsencrypt,wteiken/letsencrypt,g1franc/lets-encrypt-preview,jtl999/certbot,kevinlondon/letsencrypt,PeterMosmans/letsencrypt,jmaurice/letsencrypt,goofwear/letsencrypt,mitnk/letsencrypt,xgin/letsencrypt,TheBoegl/letsencrypt,tyagi-prashant/letsencrypt,diracdeltas/lets-encrypt-preview,stewnorriss/letsencrypt,Sveder/letsencrypt,lbeltrame/letsencrypt,vcavallo/letsencrypt,twstrike/le_for_patching,mitnk/letsencrypt,mrb/letsencrypt,brentdax/letsencrypt,kuba/letsencrypt,tyagi-prashant/letsencrypt,Hasimir/letsencrypt,martindale/letsencrypt,TheBoegl/letsencrypt,piru/letsencrypt,PeterMosmans/letsencrypt,dietsche/letsencrypt,skynet/letsencrypt,BKreisel/letsencrypt,rugk/letsencrypt,rlustin/letsencrypt,mrb/letsencrypt,rlustin/letsencrypt,digideskio/lets-encrypt-preview,DavidGarciaCat/letsencrypt,VladimirTyrin/letsencrypt,xgin/letsencrypt,martindale/letsencrypt,jmaurice/letsencrypt,hlieberman/letsencrypt,Jonadabe/letsencrypt,lbeltrame/letsencrypt,Jadaw1n/letsencrypt,tdfischer/lets-encrypt-preview,goofwear/letsencrypt,hsduk/lets-encrypt-preview,skynet/letsencrypt,bestwpw/letsencrypt,Jadaw1n/letsencrypt,wteiken/letsencrypt