AttributeError: 'NoneType' object has no attribute 'data'

[mco13]

One can not upload videos without a description:

Traceback (most recent call last):
  File "youtube2mediawiki.py", line 416, in <module>
    import_youtube(youtube_id, opts.username, opts.password, opts.url)
  File "youtube2mediawiki.py", line 369, in import_youtube
    info = yt.info(youtube_id)
  File "youtube2mediawiki.py", line 102, in info
    info['description'] = xml.getElementsByTagName('media:description')[0].firstChild.data
AttributeError: 'NoneType' object has no attribute 'data'