# urls.py
from django.urls import path

from .views import ResultList, ResultDetail, IndexView

urlpatterns = [
    path('answer/?page=<pk>', ResultDetail.as_view(), name='answer.view.result.sample'),
]

# models.py
import urllib.parse

class Result(models.Model):
    def get_absolute_url(self):
        return urllib.parse.unquote(reverse('answer.view.result.sample', kwargs={'pk': self.pk}))
        return reverse('answer.view.result.sample', kwargs={'pk': self.pk}).replace('%3F', '?')