Update apps/app.py

apps/app.py

@@ -6,7 +6,7 @@ import uvicorn
 from pathlib import Path
 from typing import Union, Optional
 
-from fastapi import FastAPI
+from fastapi import FastAPI, HTTPException
 from pydantic import BaseModel, Field
 from fastapi.responses import HTMLResponse
 from tclogger import logger, OSEnver