lc-serve deploy local api is not working

I have not used docker image.. followed steps in docker file. I was able to run app.py but above command has is showing below error

c-serve deploy local api ⠋ Waiting gateway... ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 0/1 0:00:33ERROR gateway/rep-0@3784 AttributeError('pydantic_parent_namespace') during 'GatewayRuntime' [10/26/23 17:44:12] initialization