(In Django 2.0) The django.core.urlresolvers module is removed
in favor of its new location, django.urls.
It was depreacted in Django 1.10:
https://docs.djangoproject.com/en/2.0/releases/1.10/#id3
blueprint django2-support
Change-Id: I46ab5c325491274b8eaffbf848e5d80f83c2fd26