1.错误信息

File "html5lib/__init__.py", line 16, in <module>
from .html5parser import HTMLParser, parse, parseFragment
File "html5lib/html5parser.py", line 2, in <module>
from six import with_metaclass
ImportError: No module named six

2.解决方法：

https://github.com/coursera-dl/coursera/issues/169

下载一个six包，然后安装

sudo python setup.py install

关于html5lib出错问题