[youtube] Do not crash if caption info is missing altogether (Fixes #1610)
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@ -1150,7 +1150,7 @@ class YoutubeIE(YoutubeBaseInfoExtractor, SubtitlesInfoExtractor):
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list_page = self._download_webpage(list_url, video_id)
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caption_list = xml.etree.ElementTree.fromstring(list_page.encode('utf-8'))
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original_lang_node = caption_list.find('track')
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if original_lang_node.attrib.get('kind') != 'asr' :
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if not original_lang_node or original_lang_node.attrib.get('kind') != 'asr' :
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self._downloader.report_warning(u'Video doesn\'t have automatic captions')
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return {}
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original_lang = original_lang_node.attrib['lang_code']
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