[web2py] Internal Error clicking on the "mailing list" link on the official support page

[Nico Zanferrari]

Hello,

I've found that on the official support web page (
http://web2py.com/examples/default/support) if you click on the first link 
(= *mailing list* , that points to 
http://web2py.com/examples/default/usergroups ) you always get a Internal 
Error.

Nico

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