Add Django 1 support

README.md

@@ -54,11 +54,17 @@ ADMIN_TWO_FACTOR_NAME = 'PROJECT_NAME'
 * Include the **Admin Two Factor** URL config in `PROJECT_CORE/urls.py`:
 
 ```python
+# Django version >= 2
 urlpatterns = [
 path('admin/', admin.site.urls),
 path('two_factor/', include(('admin_two_factor.urls', 'admin_two_factor'), namespace='two_factor')),
 # ...
 ]
+
+# Django version = 1
+# urlpatterns = [
+# url(r'^admin/', include(admin.site.urls)),
+# url(r'^two_factor/', include(('admin_two_factor.urls', 'admin_two_factor'), namespace='two_factor')),
 ```
 
 * Collect static if you are in production environment:

admin_two_factor/urls.py

@@ -1,7 +1,15 @@
-from django.urls import path
-
+import django
 from admin_two_factor.views import TwoStepVerification
 
-urlpatterns = [
-    path('verification/', TwoStepVerification.as_view(), name='verification'),
-]
+if django.VERSION[0] >= 2:
+    from django.urls import path
+
+    urlpatterns = [
+        path('verification/', TwoStepVerification.as_view(), name='verification'),
+    ]
+else:
+    from django.conf.urls import url
+
+    urlpatterns = [
+        url(r'^verification/', TwoStepVerification.as_view(), name='verification'),
+    ]