Make password reset url configs use callables

wagtail/wagtailadmin/urls.py

@@ -1,5 +1,6 @@
 from django.conf.urls import url
 from django.contrib.auth.decorators import permission_required
+from django.contrib.auth import views as django_auth_views
 from django.views.decorators.cache import cache_control
 
 from wagtail.wagtailadmin.forms import PasswordResetForm
@@ -92,7 +93,7 @@ urlpatterns += [
 
     # Password reset
     url(
-        r'^password_reset/$', 'django.contrib.auth.views.password_reset', {
+        r'^password_reset/$', django_auth_views.password_reset, {
             'template_name': 'wagtailadmin/account/password_reset/form.html',
             'email_template_name': 'wagtailadmin/account/password_reset/email.txt',
             'subject_template_name': 'wagtailadmin/account/password_reset/email_subject.txt',
@@ -101,19 +102,19 @@ urlpatterns += [
         }, name='wagtailadmin_password_reset'
     ),
     url(
-        r'^password_reset/done/$', 'django.contrib.auth.views.password_reset_done', {
+        r'^password_reset/done/$', django_auth_views.password_reset_done, {
             'template_name': 'wagtailadmin/account/password_reset/done.html'
         }, name='wagtailadmin_password_reset_done'
     ),
     url(
         r'^password_reset/confirm/(?P<uidb64>[0-9A-Za-z_\-]+)/(?P<token>[0-9A-Za-z]{1,13}-[0-9A-Za-z]{1,20})/$',
-        'django.contrib.auth.views.password_reset_confirm', {
+        django_auth_views.password_reset_confirm, {
             'template_name': 'wagtailadmin/account/password_reset/confirm.html',
             'post_reset_redirect': 'wagtailadmin_password_reset_complete',
         }, name='wagtailadmin_password_reset_confirm',
     ),
     url(
-        r'^password_reset/complete/$', 'django.contrib.auth.views.password_reset_complete', {
+        r'^password_reset/complete/$', django_auth_views.password_reset_complete, {
             'template_name': 'wagtailadmin/account/password_reset/complete.html'
         }, name='wagtailadmin_password_reset_complete'
     ),