Update app.py

app.py

@@ -251,7 +251,7 @@ def download_audio(url, audio_name):
             'preferredcodec': 'wav',
             'preferredquality': '192',
         }],
-        'outtmpl' f'audios/{audio_name}',
+        "outtmpl": f'audios/{audio_name}',
     }
     with yt_dlp.YoutubeDL(ydl_opts) as ydl:
         ydl.download([url])