sohu download error.

[novaoki]

Hi.
this execute log.
Thanks.

$ ./youtube-dl --verbose http://tv.sohu.com/20110331/n305183358.shtml
[debug] System config: []
[debug] User config: []
[debug] Command-line args: ['--verbose', 'http://tv.sohu.com/20110331/n305183358.shtml']
[debug] Encodings: locale 'UTF-8', fs 'utf-8', out 'UTF-8', pref: 'UTF-8'
[debug] youtube-dl version 2013.12.26
[debug] Python version 2.7.3 - Darwin-13.1.0-x86_64-i386-64bit
[debug] Proxy map: {}
[Sohu] 305183358: Downloading webpage
ERROR: Unable to extract video title; please report this issue on https://yt-dl.org/bug . Be sure to call youtube-dl with the --verbose flag and include its complete output. Make sure you are using the latest version; type youtube-dl -U to update.
Traceback (most recent call last):
File "./youtube-dl/youtube_dl/YoutubeDL.py", line 484, in extract_info
ie_result = ie.extract(url)
File "./youtube-dl/youtube_dl/extractor/common.py", line 149, in extract
return self._real_extract(url)
File "./youtube-dl/youtube_dl/extractor/sohu.py", line 41, in _real_extract
webpage, u'video title')
File "./youtube-dl/youtube_dl/extractor/common.py", line 340, in _html_search_regex
res = self._search_regex(pattern, string, name, default, fatal, flags)
File "./youtube-dl/youtube_dl/extractor/common.py", line 330, in _search_regex
raise RegexNotFoundError(u'Unable to extract %s' % _name)
RegexNotFoundError: Unable to extract video title; please report this issue on https://yt-dl.org/bug . Be sure to call youtube-dl with the --verbose flag and include its complete output. Make sure you are using the latest version; type youtube-dl -U to update.