import tempfile library

app.py

@@ -3,6 +3,7 @@ import streamlit as st
 from langchain.text_splitter import RecursiveCharacterTextSplitter
 import re
 import pathlib
+from tempfile import NamedTemporaryFile
 
 from transformers import AutoModelForCausalLM, AutoTokenizer, pipeline
 from langchain.llms import HuggingFacePipeline
@@ -239,8 +240,8 @@ def main():
         st.write(sp_docs)
         sp_docs_list.extend(sp_docs)
 
-    st.write(sp_docs_list[0])
-    db = FAISS.from_documents(sp_docs_list[0], embeddings)
+    st.write(sp_docs_list)
+    db = FAISS.from_documents(sp_docs_list, embeddings)
     memory = ConversationBufferMemory(memory_key="chat_history", 
                               return_messages=True, 
                               input_key="query",