old_contents: import os
  
  import dj_database_url
  
  from .base import *
  
  INSTALLED_APPS += ("django_nose",)
  
  TEST_RUNNER = 'django_nose.NoseTestSuiteRunner'
  
  DEBUG = True
  
  DATABASES['default'] = dj_database_url.config()
  
  SECRET_KEY = 'TESTing SecRet KeY'
  
new_contents: import dj_database_url
  
  from .base import *
  
  INSTALLED_APPS += ("django_nose",)
  
  TEST_RUNNER = 'django_nose.NoseTestSuiteRunner'
  
  DEBUG = True
  
  DATABASES['default'] = dj_database_url.config()
  
  SECRET_KEY = 'TESTing SecRet KeY'
  
subject: Remove unused import