(snipped out of every line:, and referrer URL because of spam filter) 
[Mon Oct 23 16:19:38 2006] [error] [client 10.129.123.79] PythonHandler trac.web.modpython_frontend: 
Traceback (most recent call last):, referer: http://gnb301319.gnb.st.com/TracWiki/attachment/wiki/ExternalDocs?action=new
  File "C:\\Python24\\Lib\\site-packages\\mod_python\\apache.py", line 299, in HandlerDispatch\n    result = object(req), referer: x
  File "C:\\Python24\\Lib\\site-packages\\trac\\web\\modpython_frontend.py", line 87, in handler\n    gateway.run(dispatch_request), referer: x
  File "C:\\Python24\\Lib\\site-packages\\trac\\web\\wsgi.py", line 87, in run\n    response = application(self.environ, self._start_response), referer: x
  File "C:\\Python24\\Lib\\site-packages\\trac\\web\\main.py", line 351, in dispatch_request\n    req = Request(environ, start_response), referer: x
  File "C:\\Python24\\Lib\\site-packages\\trac\\web\\api.py", line 166, in __init__\n    self.args = self._parse_args(), referer: x
  File "C:\\Python24\\Lib\\site-packages\\trac\\web\\api.py", line 182, in _parse_args\n    fs = cgi.FieldStorage(fp, environ=self.environ, keep_blank_values=True), referer: x
  File "C:\\Python24\\lib\\cgi.py", line 530, in __init__\n    self.read_multi(environ, keep_blank_values, strict_parsing), referer: x
  File "C:\\Python24\\lib\\cgi.py", line 650, in read_multi\n    environ, keep_blank_values, strict_parsing), referer: x
  File "C:\\Python24\\lib\\cgi.py", line 532, in __init__\n    self.read_single(), referer: x
  File "C:\\Python24\\lib\\cgi.py", line 665, in read_single\n    self.read_lines(), referer: x
  File "C:\\Python24\\lib\\cgi.py", line 687, in read_lines\n    self.read_lines_to_outerboundary(), referer: x
  File "C:\\Python24\\lib\\cgi.py", line 715, in read_lines_to_outerboundary\n    line = self.fp.readline(1<<16), referer: x
TypeError: readline() takes exactly 1 argument (2 given), referer: x