Solution to Django smart select Reverse for chained_filter not found Error

If you use smart-select in your Django projects and receive the following error, this is because the urls.py does not match when the chaining/*** query comes up.

Reverse for 'chained_filter' not found.
Reverse for 'chained_filter' not found. 'chained_filter' is not a valid view function or pattern name.

To solve the error, you must edit the urls.py file as in the example below.

urlpatterns = [
path('', homepage),
path('admin/', admin.site.urls),
path('__debug__/', include(debug_toolbar.urls)),
path('chaining/', include('smart_selects.urls')),
]