Update app.py

app.py

@@ -470,7 +470,7 @@ def generate_video(
 
         video_clip_final = VideoFileClip(video_path)
         audio_clip_trimmed = audio_clip.subclip(0, final_sample.shape[2] / fps)
-        final_video = video_clip_final.set_audio(audio_clip_trimmed)
+        final_video = video_clip_final.with_audio(audio_clip_trimmed)
         final_video.write_videofile(video_audio_path, codec="libx264", audio_codec="aac", threads=4, logger=None)
         
         video_clip_final.close()