app.py

import gradio as gr
from transformers import pipeline

pipe = pipeline("image-to-text", model = "Salesforce/blip-image-captioning-base")

def launch(input):
    output = pipe(input)
    return output[0]['generated_text']

iface = gr.Interface(launch, inputs = gr.Image(type = 'pil'), outputs = "text")

iface.launch()