code: def get_settings():
      
      s = getattr(settings, 'CLAMAV_UPLOAD', {})
      s = {
              'CONTENT_TYPE_CHECK_ENABLED': s.get('CONTENT_TYPE_CHECK_ENABLED', False),
              # LAST_HANDLER is not a user configurable option; we return
              # it with the settings dict simply because it's convenient.
              'LAST_HANDLER': getattr(settings, 'FILE_UPLOAD_HANDLERS')[-1]
          }
      return s
docs: This function returns a dict containing default settings