Update app.py

app.py

@@ -12,6 +12,7 @@ from together import Together
 import pandas as pd
 import streamlit as st
 from docx import Document as DocxDocument  
+import os
 
 
 st.markdown("""
@@ -291,7 +292,7 @@ llm = ChatOpenAI(
 chain = RetrievalQA.from_chain_type(
     llm=llm,
     chain_type='stuff',
-    retriever=csv_index.vectorstore.as_retriever(),
+    retriever=docx_index.vectorstore.as_retriever(),
     input_key='question'
 )