Guard against instance of GenomeIndexToolData

        if get_special:

            special = get_special()

            if special:

                out_data["output_file"] = special.fda

                out_data["output_file"] = getattr(special, 'fda', None)

        # These can be passed on the command line if wanted as $__user_*__

        incoming.update(model.User.user_template_environment(job.history and job.history.user))