[Zope] Adding mixin class does not work with Python 2.2/Zope 2.5.1

[Dieter Maurer]

Kevin Smith writes:
 > I have a class that overrides the __bobo_traverse__ method to put parts 
 > of the URL into request variables.  I'm not sure when it broke, but it 
 > isn't working in my Python 2.2/Zope 2.5.1 setup.  A simple example that 
 > breaks is as follows:
You know you should not use Python 2.2 with Zope 2.5, but only Python
2.1.3?


Dieter