Get if video and audio is donwloaded

app.py

@@ -502,6 +502,13 @@ def get_audio_and_video_from_video(url):
     audio = "audios/download_audio.mp3"
     video = "videos/download_video.mp4"
 
+    if not os.path.exists(audio):
+        return (
+            gr.Textbox(value="Error downloading audio"),
+            gr.Textbox(value=""),
+            gr.Textbox(value=""),
+        )
+
     return (
         gr.Textbox(value="Ok"),
         gr.Textbox(value=audio),