old_contents: from django.conf import settings
  
  
  FILE_FIELD_MAX_LENGTH = getattr(settings, 'AJAX_UPLOAD_FILE_FIELD_MAX_LENGTH', 255)
  UPLOAD_TO_DIRECTORY = getattr(settings, 'AJAX_UPLOAD_FILE_TARGET_DIRECTORY', 'ajax_upload/'
  
new_contents: from django.conf import settings
  
  
  FILE_FIELD_MAX_LENGTH = getattr(settings, 'AJAX_UPLOAD_FILE_FIELD_MAX_LENGTH', 255)
  UPLOAD_TO_DIRECTORY = getattr(settings, 'AJAX_UPLOAD_FILE_TARGET_DIRECTORY', 'ajax_upload/')
  
subject: Update settings.py