Something went wrong: quote_name() takes 2 positional arguments but 3 were given

Getting errors with even the simplest of diagrams, any idea why?
<img width="884" alt="screen shot 2017-09-26 at 6 00 37 am" src="https://user-images.githubusercontent.com/9406895/30854564-10d56cd8-a280-11e7-9ef9-ca5fc0d352f5.png">
<img width="647" alt="screen shot 2017-09-26 at 6 00 44 am" src="https://user-images.githubusercontent.com/9406895/30854563-10c7001c-a280-11e7-80ef-ae3379310755.png">

