From b466b7029d0af24dc06ecd8bc1f147a39be91c62 Mon Sep 17 00:00:00 2001
From: Philipp Hagemeister <phihag@phihag.de>
Date: Mon, 16 Dec 2013 04:09:05 +0100
Subject: [PATCH] [youtube] Make duration an integer or None

---
 youtube_dl/extractor/youtube.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/youtube_dl/extractor/youtube.py b/youtube_dl/extractor/youtube.py
index 874429b78..a68a214ca 100644
--- a/youtube_dl/extractor/youtube.py
+++ b/youtube_dl/extractor/youtube.py
@@ -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