Update app.py

app.py

@@ -1,6 +1,10 @@
 import gradio as gr
 from huggingface_hub import InferenceClient, login
+from langchain_community.vectorstores import FAISS
+from langchain_huggingface import HuggingFaceEmbeddings
 import os
+
+
 """
 For more information on `huggingface_hub` Inference API support, please check the docs: https://huggingface.co/docs/huggingface_hub/v0.22.2/en/guides/inference
 """
@@ -8,6 +12,14 @@ login(token=os.getenv('TOKEN'))
 client = InferenceClient("meta-llama/Llama-3.2-1B-Instruct")
 #client = InferenceClient("mistralai/Mistral-7B-Instruct-v0.3")
 
+folder = snapshot_download(repo_id="umaiku/faiss_index", repo_type="dataset", local_dir=os.getcwd())
+
+embeddings = HuggingFaceEmbeddings(model_name="intfloat/multilingual-e5-small")
+
+vector_db = FAISS.load_local("faiss_index", embeddings, allow_dangerous_deserialization=True)
+retriever = vector_db.as_retriever()
+
+
 def respond(
     message,
     history: list[tuple[str, str]],