bb t next



Pull request for [bb t next](https://trello.com/c/7b4Z3V8o/1803-bb-t-next).

    
you don't need to use double quotes to have interpolable strings - just go with single quotes and make it readable ;) ... this is Python!

wanted to attach image from [this tweet](https://twitter.com/Formulka/status/170182052614905857), but it seems it's gone :(