'Regression test for #17911.'

def test_change_form_renders_correct_null_choice_value(self):

    choice = Choice.objects.create(choice=None)
    response = self.client.get((u'/test_admin/admin/admin_views/choice/%s/' % choice.pk))
    self.assertContains(response, u'<p>No    opinion</p>', html=True)
    self.assertNotContains(response, u'<p>(None)</p>')
