UnicodeDecodeError: 'ascii' codec can't decode byte 0xc3

[Matias Pecchia]

Doing webcheck http://somesite.example.net/ webcheck fails suddently

The output hasn't the CSS applied.
Ther is not about.html file

Description: Ubuntu 11.10
Release: 11.10
Codename: oneiric

/// quote ///

webcheck: done.
webcheck: postprocessing....
webcheck: done.
webcheck: generating reports...
webcheck: anchors
webcheck: sitemap
webcheck: urllist
webcheck: images
webcheck: external
webcheck: notchkd
webcheck: badlinks
/usr/share/webcheck/crawler.py:514: UnicodeWarning: Unicode equal comparison failed to convert both arguments to Unicode - interpreting them as being unequal
  if problem not in self.pageproblems:
webcheck: old
webcheck: new
webcheck: size
webcheck: notitles
webcheck: problems
Traceback (most recent call last):
  File "/usr/bin/webcheck", line 268, in <module>
    main(site)
  File "/usr/bin/webcheck", line 246, in main
    plugins.generate(site)
  File "/usr/share/webcheck/plugins/__init__.py", line 303, in generate
    plugin.generate(site)
  File "/usr/share/webcheck/plugins/problems.py", line 111, in generate
    link.pageproblems.sort()
UnicodeDecodeError: 'ascii' codec can't decode byte 0xc3 in position 123: ordinal not in range(128)
// endquote//