if ActiveModel::VERSION::MAJOR < 4
      attr_accessible :name, :requirement_notes, :requirements, :id, :version, :identifier, :group_name, :latest, :sharing, :user_id, :levels, :modules, :min_modules_required, :min_requirements_required, :add_columns_to_module, :level_requirement, :requires_modules, :other_requirements_required, :badges_required, :show_level_letters
    end