All indexed fields are autocompleted

corres2math/urls.py

@@ -13,7 +13,6 @@ Including another URLconf
     1. Import the include() function: from django.urls import include, path
     2. Add a URL to urlpatterns:  path('blog/', include('blog.urls'))
 """
-from django.conf.urls.static import static
 from django.contrib import admin
 from django.urls import path, include
 from django.views.defaults import bad_request, permission_denied, page_not_found, server_error