[urls] only include django debug toolbar's urls when DEBUG is True

config/urls.py

@@ -15,11 +15,16 @@ Including another URLconf
     2. Add a URL to urlpatterns:  path('blog/', include('blog.urls'))
 """
 
+from django.conf import settings
 from django.contrib import admin
 from django.urls import include, path
-from debug_toolbar.toolbar import debug_toolbar_urls
 
 urlpatterns = [
     path("collector/", include("collector.urls")),
     path("admin/", admin.site.urls),
-] + debug_toolbar_urls()
+]
+
+if settings.DEBUG:
+    from debug_toolbar.toolbar import debug_toolbar_urls
+
+    urlpatterns += debug_toolbar_urls()