[Django] error

OS	Ubuntu 16.04.4 LTS
VERSION	python 3.5.2
	Django 2.1.2

   요약

https://stackoverflow.com/questions/43139081/importerror-no-module-named-django-core-urlresolvers
NameError: name 'include' is not defined -> import 변경, url로
type object 'Choice' has no attribute 'DoseNotExist'