Update app.py

app.py

@@ -5,7 +5,7 @@ from langchain.chains import RetrievalQA
 from langchain_community.llms import HuggingFaceHub
 
 # Load the vector store from the saved index files
-vector_store = FAISS.load_local("db.index", embeddings=None)
+vector_store = FAISS.load_local("db.index", embeddings=None, allow_dangerous_deserialization=True)
 
 # Initialize the HuggingFaceHub LLM
 llm = HuggingFaceHub(repo_id="HuggingFaceH4/zephyr-7b-beta", model_kwargs={"temperature": None, "top_p": None})