import streamlit as st
import langchain 
from langchain.chains import ConversationChain
from langchain.chains.conversation.memory import ConversationEntityMemory
from langchain.chains.conversation.prompt import ENTITY_MEMORY_CONVERSATION_TEMPLATE
from langchain.llms import OpenAI


st.write(langchain.__version__)
st.write("Session added")
st.write(st.session_state)