Properly handle stream meap not being present

11 years ago · 44d466559e
1 changed files with 1 additions and 1 deletions
--- 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: