Update app/app.py

app/app.py

@@ -8,6 +8,7 @@ from fastapi import FastAPI, HTTPException, Request
 from pydantic import BaseModel
 from typing import Optional
 from llama_cpp import Llama
+from typing import Optional, Dict, List
 
 # Correctly reference the module within the 'app' package
 from app.policy_vector_db import PolicyVectorDB, ensure_db_populated