app.py

import streamlit as st
from openai import OpenAI  # Changed import

# Set up OpenAI API key
client = OpenAI(api_key=st.secrets["OPENAI_API_KEY"]) # Changed to client

# Initialize session state for messages
if "messages" not in st.session_state:
    st.session_state.messages = []

# Display existing messages
for message in st.session_state.messages:
    with st.chat_message(message["role"]):
        st.markdown(message["content"])

# Chat input
prompt = st.chat_input("Say something")

if prompt:
    # Add user message to session state
    st.session_state.messages.append({"role": "user", "content": prompt})
    with st.chat_message("user"):
        st.markdown(prompt)

    # Get OpenAI response
    completion = client.chat.completions.create( # Changed to client
        model="gpt-3.5-turbo",
        messages=[
            {"role": m["role"], "content": m["content"]}
            for m in st.session_state.messages
        ]
    )
    response = completion.choices[0].message.content

    # Add assistant message to session state
    st.session_state.messages.append({"role": "assistant", "content": response})
    with st.chat_message("assistant"):
        st.markdown(response)