BOM-1117

Specifying a namespace in django.conf.urls.include() without providing an app_name is deprecated.
Adding the app_name attribute in the included module.

openedx/core/djangoapps/content_libraries/urls.py

@@ -7,6 +7,9 @@ from django.conf.urls import include, url
 
 from . import views
 
+
+app_name = 'openedx.core.djangoapps.content_libraries'
+
 # These URLs are only used in Studio. The LMS already provides all the
 # API endpoints needed to serve XBlocks from content libraries using the
 # standard XBlock REST API (see openedx.core.django_apps.xblock.rest_api.urls)

openedx/core/djangoapps/theming/urls.py

@@ -9,6 +9,8 @@ from django.conf.urls import url
 from .helpers import is_comprehensive_theming_enabled
 from .views import ThemingAdministrationFragmentView
 
+app_name = 'openedx.core.djangoapps.theming'
+
 if is_comprehensive_theming_enabled():
     urlpatterns = [
         url(

openedx/core/djangoapps/xblock/rest_api/urls.py

@@ -9,6 +9,8 @@ from . import views
 # may act a bit differently in each (e.g. Studio stores user state ephemerally).
 # If necessary at some point in the future, these URLs could be duplicated into
 # urls_studio and urls_lms, and/or the views could be likewise duplicated.
+app_name = 'openedx.core.djangoapps.xblock.rest_api'
+
 urlpatterns = [
     url(r'^api/xblock/v2/', include([
         url(r'^xblocks/(?P<usage_key_str>[^/]+)/', include([