code: def check_is_spam(content, content_object, request,
                    backends=None):
      
      if backends is None:
          backends = SPAM_CHECKER_BACKENDS
  
      for backend_path in backends:
          spam_checker = get_spam_checker(backend_path)
          if spam_checker is not None:
              is_spam = spam_checker(content, content_object, request)
              if is_spam:
                  return True
  
      return False
docs: Return True if the content is a spam, else False.