* Pass model_class to schema_extra staticmethod
Resolves#1122
* Add changelog
* Apply suggestions from code review
Co-Authored-By: Samuel Colvin <samcolvin@gmail.com>
* Fix import after rebase
* Fix test bug
* Use TypeError instead of assert as per review
* Rename var so declaration fits one one line
* tiny tweaks
Co-authored-by: Samuel Colvin <samcolvin@gmail.com>