@ -2676,7 +2676,7 @@ class FFmpegExtractAudioPP(PostProcessor):
status = self.run_ffmpeg(path, new_path, acodec, more_opts)
if not status:
self._downloader.to_stderr(u'WARNING: error running ffmpeg' % ret)
self._downloader.to_stderr(u'WARNING: error running ffmpeg')
return None
try: