old_contents: from __future__ import absolute_import
  from .base import *
  
  # Store files on S3
  DEFAULT_FILE_STORAGE = 'storages.backends.s3boto.S3BotoStorage'
  
  # Grab database info
  DATABASES = {
      'default': dj_database_url.config()
  }
  
new_contents: from __future__ import absolute_import
  import dj_database_url
  from .base import *
  
  # Store files on S3
  DEFAULT_FILE_STORAGE = 'storages.backends.s3boto.S3BotoStorage'
  
  # Grab database info
  DATABASES = {
      'default': dj_database_url.config()
  }
  
subject: Add missing dj-database-url import