Update app.py

app.py

@@ -43,6 +43,7 @@ def download_audio(video_url, quality: str = '128', speed: float = None):
     with yt_dlp.YoutubeDL(ydl_opts) as ydl:
         ydl.download([video_url])
         audio_file = ydl.prepare_filename(ydl.extract_info(video_url, download=False))
+        print('audio_file', audio_file)
         return audio_file