Update app.py

app.py

@@ -6,6 +6,7 @@ import requests
 from flask import Flask, request, render_template, send_from_directory, url_for, flash
 from moviepy.video.io.VideoFileClip import VideoFileClip
 from moviepy.audio.io.AudioFileClip import AudioFileClip
+from pydub import AudioSegment
 from werkzeug.utils import secure_filename
 
 # --- 1. INITIALIZE FLASK APP AND LOAD SECRETS ---