app.py

import gradio as gr

 api=gr.Interface.load("huggingface/EleutherAI/gpt-j-6B")

  def complete_with_gpt(text): 
      eturn text[:-50]+api(text[-50:]) 

with gr.Blocks()as demo: 
        with gr.Row():
    textbox=gr.Textbox(placeholder="Type here and press enter...",lines=8)
    with gr.Column(): 
    btn=gr.Button("Generate") 

    btn.click(complete_with_gpt,textbox,textbox) 

demo.launch()