Blame for app.py

import gradio as gr
import os
from openai import OpenAI

# Load your OpenAI API key from Hugging Face Secrets or environment
client = OpenAI(api_key=os.getenv("OPENAI_API_KEY"))

# Chat function using new v1 OpenAI SDK
def simple_agent(message, history):
    try:
        response = client.chat.completions.create(
            model="gpt-3.5-turbo",
            messages=[
                {"role": "system", "content": "You are a helpful assistant."}
            ] + [{"role": "user", "content": m} for m, _ in history] + [{"role": "user", "content": message}]
        )
        return response.choices[0].message.content
    except Exception as e:
        return f"Error: {str(e)}"

# Gradio chat interface
iface = gr.ChatInterface(
    fn=simple_agent,
    title="Simple AI Agent",
    theme="default",
    type="messages"
)

iface.launch()