Use 127.0.0.1 instead of localhost
Use 127.0.0.1 instead of localhost

Localhost might resolve to the ipv6 ::1, but flask only binds to 127.0.0.1 by default. This makes the webbrowser connect to the correct IP.
webwlsong/sandman,beni55/sandman,aprilcs/sandman,jeffknupp/sandman,jmcarp/sandman,jmcarp/sandman,webwlsong/sandman,beni55/sandman,aprilcs/sandman,beni55/sandman,aprilcs/sandman,webwlsong/sandman,jmcarp/sandman,jeffknupp/sandman,jeffknupp/sandman