old_contents: from .base import Config
  
  __version__ = '1.0a1'
  
  try:
      from django.apps import AppConfig  # noqa
  except ImportError:
      config = Config()
  else:
      default_app_config = 'constance.apps.ConstanceConfig'
  
new_contents: from .base import Config
  from django.utils.functional import SimpleLazyObject
  
  __version__ = '1.0a1'
  
  
  try:
      from django.apps import AppConfig  # noqa
  except ImportError:
      config = SimpleLazyObject(Config)
  else:
      default_app_config = 'constance.apps.ConstanceConfig'
  
subject: Make the config object lazy for old Djangos.