'Regression test for #17911.'

def test_change_form_renders_correct_null_choice_value(self):

    choice = Choice.objects.create(choice=None)
    response = self.client.get(reverse('admin:admin_views_choice_change', args=(choice.pk,)))
    self.assertContains(response, '<div    class="readonly">No    opinion</div>', html=True)
