AttributeError: module 'faiss' has no attribute 'read_index'

jemyap91 · December 31, 2023, 5:25am

Hi all,

I used the FAISS library to create a persisted vector db of the documents i’d like my model to answer questions on.

I created a custom function load_vectordb to load the vectordb that I have saved in my github repo.

jemyap91/LLM-for-good/blob/main/app3.py

import os
import tempfile
import requests
import streamlit as st
from langchain.chat_models import ChatOpenAI
from langchain.document_loaders import PyPDFLoader
from langchain.memory import ConversationBufferMemory
from langchain.memory.chat_message_histories import StreamlitChatMessageHistory
from langchain.embeddings import HuggingFaceEmbeddings
from langchain.callbacks.base import BaseCallbackHandler
from langchain.chains import ConversationalRetrievalChain
from langchain.vectorstores import DocArrayInMemorySearch
from langchain.text_splitter import RecursiveCharacterTextSplitter
from langchain.vectorstores import Chroma, FAISS
from langchain.embeddings.openai import OpenAIEmbeddings


st.set_page_config(page_title="LangChain: Chat with Eric the E-Teacher", page_icon="🤓")
st.title("🤓 Chat with Eric the Econs E-Teacher about Economics!")

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However, it has been returning an AttributeError: module ‘faiss’ has no attribute ‘read_index’.

The full error log can be found here:

Link to my app:

Would appreciate advice on this please! Many thanks.

jemyap91 · December 31, 2023, 10:51am

I’ve managed to resolve this

wilbsmond · January 4, 2024, 2:49pm

also having this problem… how did you resolve this?

jemyap91 · January 4, 2024, 4:24pm

faiss-cpu==1.7.4

Use the following version of FAISS in the requirements.txt file

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AttributeError: module 'faiss' has no attribute 'read_index'

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