old_contents: from __future__ import absolute_import, unicode_literals
  
  import dj_database_url
  from .base import *
  
  DEBUG = False
  DATABASES['default'] = dj_database_url.config()
  
  SECRET_KEY = os.environ['SECRET_KEY']
  
  try:
      from .local import *
  except ImportError:
      pass
  
new_contents: from __future__ import absolute_import, unicode_literals
  
  import dj_database_url
  from .base import *
  
  DEBUG = False
  DATABASES['default'] = dj_database_url.config()
  
  SECRET_KEY = os.environ['SECRET_KEY']
  
  ALLOWED_HOSTS = ['cosio.herokuapp.com']
  
  try:
      from .local import *
  except ImportError:
      pass
  
subject: set ALLOWED_HOSTS