old_contents: from settings import *
  
  DEBUG = False
  ALLOWED_HOSTS = ['.us-west-2.compute.amazonaws.com', 'localhost']
  
new_contents: from settings import *
  
  DEBUG = True
  ALLOWED_HOSTS = ['.us-west-2.compute.amazonaws.com', 'localhost']
  
subject: debug set to True in production.py.