Django Delete Post (Delete view)

from django.views.generic import DetailView, DeleteViewfrom .models import Postclass deletpost(DeleteView):    model = Post    success_url = '/'    def test_func(self):        post = self.get_object()        if self.request.user == post.author:            return True        return False

from django.urls import pathfrom . import viewsurlpatterns = [path('post/<int:pk>/delete',views.deletpost.as_view(),name='delete-post')]

{% block content %}    <form method="POST">    {% csrf_token %}        <h1>Are you sure?</h1>    <button type="submit">Delete</button>    <a href="{% url 'home' %}">Cancel</a>    </form>{% endblock %}