old_contents: """ these are helper classes for object creation during the scrape """
  from .popolo import Person, Organization, Membership
  
  
  class Legislator(Person):
      def __init__(self, name, district, party=None, chamber=None, role='member', **kwargs):
          super(Legislator, self).__init__(name, **kwargs)
          self._district = district
          self._party = party
          self._chamber = chamber
          self.contact_details = []
          self._role = role
  
      def add_membership_contact(self, type, value, note):
          self.contact_details.append({'type': type, 'value': value, 'note': note})
  
      def add_committee_membership(self, com_name, role='member'):
          org = Organization(com_name, classification='committee')
          self.add_membership(org, role=role)
          org.sources = self.sources
          self._related.append(org)
  
      def prepare(self, jurisdiction_id):
          membership = Membership(
              self._id,
              # placeholder id is jurisdiction:chamber:id
              'jurisdiction:' + (self._chamber or '') + ':' + jurisdiction_id,
              # post placeholder id is district:chamber:name
              post_id='district:' + (self._chamber or '') + ':' + self._district,
              # contact_details=self._contact_details,
              # XXX: Removed since we're moving contact_details to the top
              #      level.
              role=self._role)
          # remove placeholder _contact_details
          # del self._contact_details
          del self._role
          self._related.append(membership)
  
          # create a party membership
          if self._party:
              membership = Membership(self._id, 'party:' + self.party, role='member')
              self._related.append(membership)
  
  
  class Committee(Organization):
  
      def __init__(self, *args, **kwargs):
          super(Committee, self).__init__(*args, **kwargs)
  
      def add_member(self, name, role='member', **kwargs):
          membership = Membership(None, self._id, role=role, _unmatched_legislator={'name': name},
                                  **kwargs)
          self._related.append(membership)
  
new_contents: """ these are helper classes for object creation during the scrape """
  from .popolo import Person, Organization, Membership
  
  
  class Legislator(Person):
      def __init__(self, name, district, party=None, chamber=None, role='member', **kwargs):
          super(Legislator, self).__init__(name, **kwargs)
          self._district = district
          self._party = party
          self._chamber = chamber
          self._contact_details = []
          self._role = role
  
      def add_membership_contact(self, type, value, note):
          self._contact_details.append({'type': type, 'value': value, 'note': note})
  
      def add_committee_membership(self, com_name, role='member'):
          org = Organization(com_name, classification='committee')
          self.add_membership(org, role=role)
          org.sources = self.sources
          self._related.append(org)
  
      def prepare(self, jurisdiction_id):
          membership = Membership(
              self._id,
              # placeholder id is jurisdiction:chamber:id
              'jurisdiction:' + (self._chamber or '') + ':' + jurisdiction_id,
              # post placeholder id is district:chamber:name
              post_id='district:' + (self._chamber or '') + ':' + self._district,
              contact_details=self._contact_details,
              role=self._role)
          # remove placeholder _contact_details
          del self._contact_details
          del self._role
          self._related.append(membership)
  
          # create a party membership
          if self._party:
              membership = Membership(self._id, 'party:' + self.party, role='member')
              self._related.append(membership)
  
  
  class Committee(Organization):
  
      def __init__(self, *args, **kwargs):
          super(Committee, self).__init__(*args, **kwargs)
  
      def add_member(self, name, role='member', **kwargs):
          membership = Membership(None, self._id, role=role, _unmatched_legislator={'name': name},
                                  **kwargs)
          self._related.append(membership)
  
subject: Revert "Move _contact_details => contact_details"