app.py

import gradio as gr
from transformers import pipeline

sentiment_pipeline = pipeline("sentiment-analysis")

def get_sentiment(input_text):
    result = sentiment_pipeline(input_text)
    return result[0]['label']

# Launch web UI
iface = gr.Interface(
    fn=get_sentiment,
    inputs='text',
    outputs='text',   # 'output' should be 'outputs'
    title='my first AI app',
    description=""
)

iface.launch()