Mod_python error: "PythonHandler cldispatcher"

Traceback (most recent call last):

  File "/usr/lib/python2.4/site-packages/mod_python/apache.py", line 299, in HandlerDispatch
    result = object(req)

  File "/home/httpd/galleriacontinua.com/cldispatcher.py", line 83, in handler
    return handlerfunc(req)

  File "/home/httpd/galleriacontinua.com/src/static.py", line 18, in handler
    req.write(HTMLResource(req).run())

  File "/usr/lib/python2.4/site-packages/sgutility2/web.py", line 136, in run
    return booundM()

  File "/home/httpd/galleriacontinua.com/src/static.py", line 10, in GET
    return self.tmpl().render({})

  File "/usr/lib/python2.4/site-packages/sgutility2/web.py", line 170, in render
    return render(self._tmpl, dataDict)

  File "/usr/lib/python2.4/site-packages/sgutility2/web.py", line 27, in render
    return str(tmpl)

  File "", line 107, in respond

NotFound: cannot find 'art'