Fixed #26013 -- Moved django.core.urlresolvers to django.urls.

Thanks to Tim Graham for the review.

tests/auth_tests/test_views.py

@@ -20,12 +20,12 @@ from django.contrib.auth.views import login as login_view, redirect_to_login
 from django.contrib.sessions.middleware import SessionMiddleware
 from django.contrib.sites.requests import RequestSite
 from django.core import mail
-from django.core.urlresolvers import NoReverseMatch, reverse, reverse_lazy
 from django.db import connection
 from django.http import HttpRequest, QueryDict
 from django.middleware.csrf import CsrfViewMiddleware, get_token
 from django.test import TestCase, override_settings
 from django.test.utils import patch_logger
+from django.urls import NoReverseMatch, reverse, reverse_lazy
 from django.utils.encoding import force_text
 from django.utils.http import urlquote
 from django.utils.six.moves.urllib.parse import ParseResult, urlparse