./setup.py --long-description

...
File "/home/jens/PyLucid_env/src/python-creole/creole/rest2html/clean_writer.py", line 102, in starttag
part = '%s="%s"' % (name.lower(), self.attval(value))
File "/home/jens/PyLucid_env/local/lib/python2.7/site-packages/docutils/writers/html4css1/init.py", line 367, in attval
encoded = self.encode(whitespace.sub(' ', text))
TypeError: expected string or buffer