add discussion urls to root

config/urls.py

@@ -51,6 +51,9 @@ urlpatterns = [
 
 ] + static(settings.MEDIA_URL, document_root=settings.MEDIA_ROOT)
 
+if 'discussion' in settings.INSTALLED_APPS:
+    urlpatterns += [url(r'^discussion/', include('discussion.urls', namespace='discussion')),]
+
 if settings.DEBUG:
     # This allows the error pages to be debugged during development, just visit
     # these url in browser to see how these error pages look like.