@ -1377,9 +1377,9 @@ class YoutubeIE(YoutubeBaseInfoExtractor, SubtitlesInfoExtractor):
if 'length_seconds' not in video_info:
self._downloader.report_warning(u'unable to extract video duration')
video_duration = ''
video_duration = None
else:
video_duration = compat_urllib_parse.unquote_plus(video_info['length_seconds'][0])
video_duration = int(compat_urllib_parse.unquote_plus(video_info['length_seconds'][0]))
# annotations
video_annotations = None