Migrato url() a path()

    1. Import the include() function: from django.conf.urls import url, include

    2. Add a URL to urlpatterns:  url(r'^blog/', include('blog.urls'))

"""

from django.conf.urls import url, include

from django.urls import path, include

from django.contrib import admin

urlpatterns = [

    url(r'^admin/', admin.site.urls),

    url(r'^things/', include('things.urls'))

    path('admin/', admin.site.urls),

    path('things/', include('things.urls'))

]