I've got an app from before 2.0 with wizard-generated code in multiple 
views that looks similar to this.

{{=form}}
{{for t,f in db.t_sys_config._referenced_by:}}{{if not 
t[-8:]=='_archive':}}[{{=A(t[2:],_href=URL('%s_select'%t[2:],args=(f,form.record.id)))}}]{{pass}}{{pass}}
 
    

Under web2py 2.4.6, the for loop throws a ticket because *_referenced_by*is 
returning a list of Field objects instead of tuples. The app is running 
in almost 100 different servers on 1.99.  How can I modify the app code 
(without doing something kludgey like detecting web2py versions) so it will 
run under any web2py version?

Thanks,
Mike

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