django/tests/check_framework/urls/non_unique_namespaces.py

from django.urls import include, path

common_url_patterns = ([
    path('app-ns1/', include([])),
    path('app-url/', include([])),
], 'app-ns1')

urlpatterns = [
    path('app-ns1-0/', include(common_url_patterns)),
    path('app-ns1-1/', include(common_url_patterns)),
    path('app-some-url/', include(([], 'app'), namespace='app-1')),
    path('app-some-url-2/', include(([], 'app'), namespace='app-1'))
]