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()