old_contents: 
  __version__ = '3.9.0'
  
  default_app_config = 'cms.apps.CMSConfig'
  
new_contents: import django
  
  __version__ = '3.9.0'
  
  if django.VERSION < (3, 2):
      default_app_config = 'cms.apps.CMSConfig'
  
subject: Fix deprecation in Django 3.2 (#7135)