Removed unused code after refs #25017.

from django.middleware.gzip import GZipMiddleware

from django.middleware.http import ConditionalGetMiddleware

from django.test import RequestFactory, SimpleTestCase, override_settings

from django.test.utils import patch_logger

from django.utils import six

from django.utils.encoding import force_str

from django.utils.six.moves import range

    @override_settings(DISALLOWED_USER_AGENTS=[re.compile(r'foo')])

    def test_disallowed_user_agents(self):

        with patch_logger('django.request', 'warning') as log_messages:

        request = self.rf.get('/slash')

        request.META['HTTP_USER_AGENT'] = 'foo'

        with self.assertRaisesMessage(PermissionDenied, 'Forbidden user agent'):