Update app.py

app.py

@@ -78,7 +78,7 @@ def prepare_media(source_path_or_url: os.PathLike,
                 audio_file = './downloaded/yt_audio'
                 subprocess.run(['yt-dlp', '-x', source_path_or_url, '-f', 'bestaudio',
                     '-o', audio_file, '--audio-format', 'mp3', '--restrict-filenames',
-                    '--force-overwrites', '--cookiefile', 'cookies/cookies.txt'])
+                    '--force-overwrites', '--cookies', 'cookies/cookies.txt'])
                 audio_file += '.mp3'
             except Exception as e:
                 print(f"Alternative downloader failed, error: {e}. Please try again later!")