Install django-ipware, use path instead of url.

biscuit/core/settings.py

@@ -54,6 +54,7 @@ INSTALLED_APPS = [
     'fa',
     'django_any_js',
     'django_tables2',
+    'django_ipware',
     'maintenance_mode',
     'menu_generator',
     'phonenumber_field',

biscuit/core/urls.py

@@ -2,7 +2,7 @@ from django.apps import apps
 from django.conf import settings
 from django.conf.urls.static import static
 from django.contrib import admin
-from django.urls import include, path, url
+from django.urls import include, path
 
 from . import views
 
@@ -21,7 +21,7 @@ urlpatterns = [
     path('group/<int:id_>', views.group,
          {'template': 'full'}, name='group_by_id'),
     path('', views.index, name='index'),
-    url(r'^maintenance-mode/', include('maintenance_mode.urls')),
+    path('maintenance-mode/', include('maintenance_mode.urls')),
 ]
 
 # Custom error pages

pyproject.toml

@@ -39,6 +39,7 @@ dynaconf = {version = "^2.0", extras = ["yaml", "toml", "ini"]}
 django-settings-context-processor = "^0.2"
 django-auth-ldap = { version = "^2.0", optional = true }
 django-maintenance-mode = "^0.13.3"
+django-ipware = "^2.1"
 
 [tool.poetry.extras]
 ldap = ["django-auth-ldap"]