from django.http import HttpResponse
from django.urls import path
from django.views import View


class EmptyCBV(View):
    pass


class EmptyCallableView:
    def __call__(self, request, *args, **kwargs):
        return HttpResponse()


urlpatterns = [
    path('missing_as_view', EmptyCBV),
    path('has_as_view', EmptyCBV.as_view()),
    path('callable_class', EmptyCallableView()),
]