Update app.py

app.py

@@ -1,4 +1,6 @@
-from flask import Flask, request, jsonify, render_template, send_bytes
+from io import BytesIO
+
+from flask import Flask, request, jsonify, render_template, send_file
 from bs4 import BeautifulSoup
 from scraper import voicevox
 import requests
@@ -18,7 +20,9 @@ def voicevox_resp():
 
     try:
         data = voicevox(text, speaker=speaker)
-        return send_bytes(data), 200
+        io = BytesIO(data)
+
+        return send_file(io, as_attachment=True, mimetype="audio/mp3")
     except Exception as e:
         return jsonify({'error': str(e)}), 500