[mod_python] Question about Session management - can't find dirpath

I saw that someone else had this problem, but didn't see any responses so 
i don't know if anyone knows what is going on, but I figured I would ask. 

The following is the traceback.
When you point the browser to Login.py/loadPage:

def loadPage(req, retry=False):
    # check if new session
    sess = Session.Session(req, secret=SECRET_CODE)
    #load a template
    template = psp.PSP(req, filename="LoginPage.tmpl")
    #load dynamic variables from the database into template to
    if retry == True:
        pageData['TextField'] = LOGIN_RETRY_MESSAGE
    # if Retry - notify user of failed login attempt
    #create HTML page
    template.run(pageData)
    return
You get the following error....
I can't really track it down because the session code is all wrapped up 
with the apache code, so I can't do unit testing or anything. 
Has anyone else seen a problem like this?

Mod_python error: "PythonHandler mod_python.publisher"

Traceback (most recent call last):

  File "C:\PYTHON23\Lib\site-packages\mod_python\apache.py", line 299, in 
HandlerDispatch
    result = object(req)

  File "C:\PYTHON23\Lib\site-packages\mod_python\publisher.py", line 136, 
in handler
    result = util.apply_fs_data(object, req.form, req=req)

  File "C:\PYTHON23\Lib\site-packages\mod_python\util.py", line 361, in 
apply_fs_data
    return object(**args)

  File "C:/Program Files/Apache Group/Apache2/htdocs\Login.py", line 24, 
in loadPage
    sess = Session(req, secret=SECRET_CODE)

  File "C:\PYTHON23\Lib\site-packages\mod_python\Session.py", line 386, in 
Session
    timeout=timeout, lock=lock)

  File "C:\PYTHON23\Lib\site-packages\mod_python\Session.py", line 358, in 
__init__
    timeout=timeout, lock=lock)

  File "C:\PYTHON23\Lib\site-packages\mod_python\Session.py", line 132, in 
__init__
    Cookie.add_cookie(self._req, self.make_cookie())

  File "C:\PYTHON23\Lib\site-packages\mod_python\Session.py", line 160, in 
make_cookie
    c.path = dirpath[len(docroot):]

TypeError: unsubscriptable object

Cary FitzHugh

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