Update app.py

app.py

@@ -1,5 +1,6 @@
 import gradio as gr
 import os
+import time
 import random
 import subprocess
 
@@ -23,6 +24,7 @@ def separate_audio(audio_path):
 
     os.replace(f"{gradio_temp_path}/{audio_filename}/accompaniment.wav", f"{gradio_temp_path}/{audio_filename}/accompaniment.wav.bak")
     os.replace(f"{gradio_temp_path}/{audio_filename}/vocals.wav", f"{gradio_temp_path}/{audio_filename}/vocals.wav.bak")
+    time.sleep(1)
     subprocess.run(f"ffmpeg -i {gradio_temp_path}/{audio_filename}/accompaniment.wav.bak {gradio_temp_path}/{audio_filename}/accompaniment.mp3")
     subprocess.run(f"ffmpeg -i {gradio_temp_path}/{audio_filename}/vocals.wav.bak {gradio_temp_path}/{audio_filename}/vocals.mp3")