Don't check _should_renew twice
Don't check _should_renew twice

mitnk/letsencrypt,DavidGarciaCat/letsencrypt,mitnk/letsencrypt,jsha/letsencrypt,lmcro/letsencrypt,letsencrypt/letsencrypt,TheBoegl/letsencrypt,dietsche/letsencrypt,stweil/letsencrypt,brentdax/letsencrypt,thanatos/lets-encrypt-preview,bsmr-misc-forks/letsencrypt,jtl999/certbot,jtl999/certbot,jsha/letsencrypt,dietsche/letsencrypt,wteiken/letsencrypt,letsencrypt/letsencrypt,TheBoegl/letsencrypt,wteiken/letsencrypt,stweil/letsencrypt,bsmr-misc-forks/letsencrypt,thanatos/lets-encrypt-preview,lmcro/letsencrypt,DavidGarciaCat/letsencrypt,brentdax/letsencrypt