app.py

import gradio as gr
from rouge_score import rouge_scorer

def calc_rouge_score(summary, reference):
    score = 0.6
    text = "The score is %s" % (score)
    return text, score

iface = gr.Interface(
    fn=calc_rouge_score,
    inputs=["text", "text"],
    outputs=["text", "score"])
iface.launch()