You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: setup.rb
    path of file: ./repos/onebody/app/models
    
    the code of the file until where you have to start completion: class Setup
  attr_reader :person
  attr_reader :site

  def initialize(params)
    @params = params
    @site = Site.current
  end

  def execute!
    Person.transact
    
  def update_person!
    @person.password = @params[:person][:password].presence
    @person.password_confirmation = @params[:person][:password_confirmation].presence
    unless @person.password && @person.password == @person.password_confirmation
      @person.errors.add :error, I18n.t('accounts.set_password_error')
      return false
    end