fixed import for Request in main.py

app/main.py

@@ -1,7 +1,7 @@
 #!/usr/bin/env python3
 import os
 
-from fastapi import FastAPI, HTTPException, UploadFile, File, status
+from fastapi import FastAPI, HTTPException, UploadFile, File, status, Request
 from starlette.middleware.sessions import SessionMiddleware
 from starlette.config import Config
 from starlette.middleware.trustedhost import TrustedHostMiddleware