app.py

import gradio as gr

def invoke(openai_api_key):
    if (openai_api_key == ""):
        raise gr.Error("OpenAI API Key is required.")
        
    os.environ["OPENAI_API_KEY"] = openai_api_key
   
    return "TODO"

gr.close_all()

demo = gr.Interface(fn = invoke, 
                    inputs = [gr.Textbox(label = "OpenAI API Key", type = "password", lines = 1),
                              gr.Textbox(label = "TODO", value="TODO", lines = 1)],
                    outputs = [gr.Markdown(label = "TODO", value="TODO")],
                    title = "Multi-Agent RAG: Chart Generation",
                    description = "TODO")

demo.launch()