[youtube] Bugfix in _extract_ytcfg
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@ -356,6 +356,8 @@ class YoutubeBaseInfoExtractor(InfoExtractor):
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return data.get('DELEGATED_SESSION_ID')
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def _extract_ytcfg(self, video_id, webpage):
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if not webpage:
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return {}
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return self._parse_json(
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self._search_regex(
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r'ytcfg\.set\s*\(\s*({.+?})\s*\)\s*;', webpage, 'ytcfg',
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