Update sphinx from 2.1.1 to 2.1.2 (#666)
Update sphinx from 2.1.1 to 2.1.2 (#666)


django-json-api/django-rest-framework-json-api,leo-naeka/django-rest-framework-json-api,django-json-api/django-rest-framework-json-api,django-json-api/rest_framework_ember