old_contents: from pycon.settings import *
  
  DEFAULT_URL_PREFIX='http://localhost:8000'
  DEBUG=True
  
  PAYPAL_TEST = True
  
  TEMPLATES[0]['OPTIONS']['debug'] = True
new_contents: from pycon.settings import *
  
  DEFAULT_URL_PREFIX='http://localhost:8000'
  DEBUG=True
  
  PAYPAL_TEST = True
  
  TEMPLATES[0]['OPTIONS']['debug'] = True
  
  INSTALLED_APPS = INSTALLED_APPS + ('django_extensions',)
subject: Add django-extensions in the dev settings