app.py

import gradio as gr
from gtts import gTTS
import tempfile

def speak(text):

    path = tempfile.NamedTemporaryFile(delete=False, suffix=".mp3").name

    tts = gTTS(text=text, lang="en")
    tts.save(path)

    return path

gr.Interface(
    fn=speak,
    inputs="text",
    outputs=gr.Audio(),
    title="HF Build Test"
).launch()