try flask_restful -> flask_restx (#24310)

Signed-off-by: -LAN- <laipz8200@outlook.com>
Co-authored-by: -LAN- <laipz8200@outlook.com>

api/libs/external_api.py

@@ -3,13 +3,19 @@ import sys
 from typing import Any
 
 from flask import current_app, got_request_exception
-from flask_restful import Api, http_status_message
+from flask_restx import Api
 from werkzeug.datastructures import Headers
 from werkzeug.exceptions import HTTPException
+from werkzeug.http import HTTP_STATUS_CODES
 
 from core.errors.error import AppInvokeQuotaExceededError
 
 
+def http_status_message(code):
+    """Maps an HTTP status code to the textual status"""
+    return HTTP_STATUS_CODES.get(code, "")
+
+
 class ExternalApi(Api):
     def handle_error(self, e):
         """Error handler for the API transforms a raised exception into a Flask