Update backend/main.py

backend/main.py

@@ -1,7 +1,7 @@
 from fastapi import FastAPI
 from fastapi.middleware.cors import CORSMiddleware
 from pydantic import BaseModel
-from classifier import detect_injection
+from backend.classifier import detect_injection
 from groq import Groq
 from dotenv import load_dotenv
 import os