Router.register cannot merge with urlpatters #9366
Description
In version 3.14, there will be no error, while in version 3.15, this situation will result in an error：
router.register('task', CeleryTaskModelViewSet)
urlpatterns = [
path('task/job_list/', CeleryTaskModelViewSet.as_view({'get': 'job_list'})),
path('task/update_status/str:pk/', CeleryTaskModelViewSet.as_view({'post': 'update_status'})),
path('task/delete_task/str:pk/', CeleryTaskModelViewSet.as_view({'delete': 'destroy'})),
]
urlpatterns += router.urls