old_contents: from pupa.scrape import Scraper
  from pupa.scrape.helpers import Legislator, Organization
  
  
  class PersonScraper(Scraper):
  
      def get_people(self):
          # committee
          tech = Organization('Technology', classification='committee')
          tech.add_post('Chairman', 'chairman')
          tech.add_source('https://example.com')
          yield tech
  
          # subcommittee
          ecom = Organization('Subcommittee on E-Commerce',
                              parent=tech,
                              classification='committee')
          ecom.add_source('https://example.com')
          yield ecom
  
          p = Person('Paul Tagliamonte', district='6', chamber='upper')
          p.add_committee_membership(tech, role='chairman')
          p.add_source('https://example.com')
          yield p
  
new_contents: from pupa.scrape import Scraper
  from pupa.scrape.helpers import Legislator, Organization
  
  
  class PersonScraper(Scraper):
  
      def get_people(self):
          # committee
          tech = Organization('Technology', classification='committee')
          tech.add_post('Chairman', 'chairman')
          tech.add_source('https://example.com')
          yield tech
  
          # subcommittee
          ecom = Organization('Subcommittee on E-Commerce',
                              parent=tech,
                              classification='committee')
          ecom.add_source('https://example.com')
          yield ecom
  
          p = Legislator('Paul Tagliamonte', '6')
          p.add_membership(tech, role='chairman')
          p.add_source('https://example.com')
          yield p
  
subject: Make it so that the example runs without error