# File lib/google-authenticator-rails/active_record/helpers.rb, line 38
      def google_label
        method = self.class.google_label_method
        case method
          when Proc
            method.call(self)
          when Symbol, String
            self.__send__(method)
          else
            raise NoMethodError.new("the method used to generate the google_label was never defined")
        end
      end