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()),

]