update

fastapi-demo/main.py

@@ -3,9 +3,8 @@ import json
 import os
 import time
 
-import fastapi
 from fastapi import FastAPI
-from fastapi import HTTPException, Request
+from fastapi import Request
 from fastapi.exceptions import RequestValidationError
 from fastapi.middleware.cors import CORSMiddleware
 from fastapi.responses import PlainTextResponse