app.py

import gradio as gr
from gpt_index import GPTSimpleVectorIndex
from gpt_index.langchain_helpers.chain_wrapper import OpenAI

index = GPTSimpleVectorIndex.load_from_disk('./index (4).json')
openai = OpenAI(openai_api_key='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', temperature=0, model_name="text-davinci-003")

def my_model_function(input_text):
    response = index.query(input_text, response_mode="compact")
    return response

iface = gr.Interface(
    fn=my_model_function, 
    inputs=gr.inputs.Textbox(label="Enter your question here"),
    outputs="text",
    title="GPT Index Demo",
    description="Type a question and see the matching responses from the index!"
)

iface.launch()