From 44d466559e9d1e762456a2dce4fc6cb0775f105e Mon Sep 17 00:00:00 2001
From: Philipp Hagemeister <phihag@phihag.de>
Date: Tue, 1 Oct 2013 14:44:09 +0200
Subject: [PATCH] Properly handle stream meap not being present

---
 youtube_dl/extractor/youtube.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/youtube_dl/extractor/youtube.py b/youtube_dl/extractor/youtube.py
index f3b9e3ab1..890667340 100644
--- a/youtube_dl/extractor/youtube.py
+++ b/youtube_dl/extractor/youtube.py
@@ -1390,7 +1390,7 @@ class YoutubeIE(YoutubeBaseInfoExtractor, SubtitlesInfoExtractor):
             args = info['args']
             # Easy way to know if the 's' value is in url_encoded_fmt_stream_map
             # this signatures are encrypted
-            if 'url_encoded_fmt_stream_map':
+            if 'url_encoded_fmt_stream_map' not in args:
                 raise ValueError(u'No stream_map present')  # caught below
             m_s = re.search(r'[&,]s=', args['url_encoded_fmt_stream_map'])
             if m_s is not None: