Early XSV Failure

Traceback (most recent call last):
  File "xmlschemaCheck.py", line 155, in tryPrepare
    prepare()
  File "xmlschemaCheck.py", line 177, in prepare
    style = fields['style'].value
  File "/usr/lib/python2.4/cgi.py", line 563, in __getitem__
    raise KeyError, key
KeyError: 'style'