自定义 Remote Tool，FastAPI 的web 服务

[zongking123]

官方提供的代码：

服务可以起来，信息如下：
INFO: Started server process [66580]
INFO: Waiting for application startup.
INFO: Application startup complete.
INFO: Uvicorn running on http://0.0.0.0:8020 (Press CTRL+C to quit)
INFO: 127.0.0.1:49190 - "GET /.well-known/openapi.yaml HTTP/1.1" 200 OK
INFO: 10.10.58.119:36570 - "GET /.well-known/openapi.yaml HTTP/1.1" 200 OK

但是通过官方提供这段代码调用，失败了：

失败信息如下：
toolkit = RemoteToolkit.from_url("http://127.0.0.1:8020") # 必须存在：http://xxx.com/.well-known/openapi.yaml
File "/home/envs/Paddle/lib/python3.8/site-packages/erniebot_agent/tools/remote_toolkit.py", line 295, in from_url
toolkit = RemoteToolkit.from_openapi_file(
File "/home/envs/Paddle/lib/python3.8/site-packages/erniebot_agent/tools/remote_toolkit.py", line 229, in from_openapi_file
return cls.from_openapi_dict(
File "/home/envs/Paddle/lib/python3.8/site-packages/erniebot_agent/tools/remote_toolkit.py", line 175, in from_openapi_dict
info = EndpointInfo(**openapi_dict["info"])
TypeError: init() missing 1 required positional argument: 'description'