Update app.py

app.py

@@ -10,6 +10,7 @@ from langchain.chat_models import ChatOpenAI
 from langchain.vectorstores import Pinecone, Chroma
 from langchain.chains import ConversationalRetrievalChain
 import os
+import langchain
 import pinecone
 import streamlit as st
 import shutil
@@ -23,6 +24,7 @@ persist_directory = ''
 chat_history = []
 docsearch_ready = False
 directory_name = 'tmp_docs'
+langchain.verbose = False
 
 
 def save_file(files):