How to troubleshoot Django configuration settings encountered could not import settings ' conf.local ' _python

Let's give you an example.

Django Best practices and Deployment: Nginx + Gunicorn + supervisor (Ubuntu and CentOS)
http://sfdye.com/articles/django-best-practice-and-deployment-with-nginx-gunicorn-and-supervisor/
The result appears runserver--settings= ... When there is an error could not import settings ' conf.local ' (Is it in Sys.path? Is there a import error in the settings file?: N
o Module named conf.local

I can't find a way to adjust it, it's strange
And it turns out it's the same evil.

init.py
Be sure to create this empty file in your own folder to be scanned by Django as a module ....