def expand_unit_config(unit_config, new_unit_names)
        new_unit_names.each_with_object({}) do |new_name, all|
          temp_unit_config = unit_config.dup
          temp_unit_config.delete(:instances)
          temp_unit_config.pseudo_name = unit_config.name
          temp_unit_config.name = new_name
          all[new_name] = eval_unit_config(temp_unit_config)
        end
      end
def expand_unit_config(unit_config, new_unit_names)
        new_unit_names.each_with_object({}) do |new_name, all|
          temp_unit_config = unit_config.dup
          temp_unit_config.delete(:instances)
          temp_unit_config.pseudo_name = unit_config.name
          temp_unit_config.name = new_name
          all[new_name] = eval_unit_config(temp_unit_config)
        end
      end
FIXME