Update app/main.py

app/main.py

@@ -1,10 +1,9 @@
 from fastapi import FastAPI
 from fastapi.middleware.cors import CORSMiddleware
 from contextlib import asynccontextmanager
-
+from langchain.embeddings import HuggingFaceEmbeddings
 from app.api import analysis,reports,infos,chatbot
 from langchain_community.chat_models import ChatOpenAI
-from sentence_transformers import SentenceTransformer
 from langchain_community.vectorstores import FAISS
 from app.utils.rag import get_chain_disease, get_chain_infos, get_chain_chat
 import os, asyncio
@@ -18,9 +17,14 @@ os.environ["HF_HOME"] = "/tmp/cache"
 
 # Load the model into the writable cache directory
 
+
 @asynccontextmanager
 async def lifespan(app: FastAPI):
-    embedding_model = SentenceTransformer("sentence-transformers/all-MiniLM-L6-v2", cache_folder="/tmp/cache")
+    embedding_model = HuggingFaceEmbeddings(
+    
+    model_name="sentence-transformers/all-MiniLM-L6-v2",
+    model_kwargs={"cache_folder": "/tmp/cache","use_auth_token": HUGGINGFACE_API_KEY}  # ou sans si pas nécessaire
+)
 
 
     vectorstore = await asyncio.to_thread(