avatar-service | Rotated Avatar Collection | Generator Utils library

I'm trying to figure out what the best practices are around writing urls.py files in my Django app. I'm updating an old project to Django 2, and I read in the update documentation that urls.py files should be properly namespaced. A bit of googling suggests to me to define app_name in my urls.py always, so you don't have to manually add the app_name to each url endpoint. Instead you can then access it like ("app_name:url_name").

In my project I have: