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<type 'exceptions.KeyError'>
Python 2.5: /usr/bin/python
Sat Oct 11 11:46:33 2008

A problem occurred in a Python script. Here is the sequence of function calls leading up to the error, in the order they occurred.

 /share/cgi-bin/gallery.cgi in ()
   19 fadeYsize = []
   20 
   21 referer = os.environ['HTTP_REFERER']
   22 # http://www.coolspringer.com/kerstinlindquist/left.html
   23 # or http://www.kerstinlindquist.com/left.html
referer undefined, os = <module 'os' from '/usr/lib/python2.5/os.pyc'>, os.environ = {'SERVER_SOFTWARE': 'Apache/2.0.55 (Ubuntu) PHP/...'en-us,en;q=0.5', 'HTTP_ACCEPT_ENCODING': 'gzip'}
 /share/cgi-bin/UserDict.py in __getitem__(self={'SERVER_SOFTWARE': 'Apache/2.0.55 (Ubuntu) PHP/...'en-us,en;q=0.5', 'HTTP_ACCEPT_ENCODING': 'gzip'}, key='HTTP_REFERER')
   20         if hasattr(self.__class__, "__missing__"):
   21             return self.__class__.__missing__(self, key)
   22         raise KeyError(key)
   23     def __setitem__(self, key, item): self.data[key] = item
   24     def __delitem__(self, key): del self.data[key]
builtin KeyError = <type 'exceptions.KeyError'>, key = 'HTTP_REFERER'

<type 'exceptions.KeyError'>: 'HTTP_REFERER'