Does anyone see anything wrong with this "represent" function?

The goal is have first_name, last_name (and later other auth_user fields) 
appear to represent "created_by" field -  SuperObjectComment.created_by

No error is raised, but the (correct) primary key is displayed (the number) 
instead of first_name, and last_name.

def person_represent(id, r):
    row = db((db.auth_user.id==db.SuperObjectComment.created_by) 
            ).select().first()
    return '%s %s' % (row.auth_user.first_name, row.auth_user.last_name)
db.SuperObjectComment.created_by.represent = person_represent

thanks,

Alex Glaros



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