Django example: Set a default settings module for use with celery command

examples/django/proj/celery.py

@@ -1,6 +1,12 @@
 from __future__ import absolute_import
 
+import os
+
 from celery import Celery
+
+# set the default Django settings module for the 'celery' program.
+os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'proj.settings')
+
 from django.conf import settings
 
 app = Celery('proj.celery')