Update server.py

server.py

@@ -1,7 +1,7 @@
 import os
 from fastapi import FastAPI, Request, WebSocket, WebSocketDisconnect, status, HTTPException
 from fastapi.middleware.cors import CORSMiddleware
-from fastapi.responses import HTMLResponse, JSONResponse
+from fastapi.responses import HTMLResponse, JSONResponse, FileResponse
 from fastapi.staticfiles import StaticFiles
 from fastapi.templating import Jinja2Templates
 import json