old_contents: from pykintone import model
  
  class Person(model.kintoneModel):
      def __init__(self):
          super(Person, self).__init__()
          self.name = ''
          self.note = ''
          self.tags = ''
  
      def from_tuple(self, args):
          (self.name, self.note, self.tags, self.record_id, self.rivision) = args
          return self
  
      def to_tuple(self):
          return (self.name, self.note, self.tags, self.record_id, self.revision)
  
  class Output(model.kintoneModel):
      def __init__(self):
          super(Output, self).__init__()
          self.html = ''
  
new_contents: from pykintone import model
  
  class Person(model.kintoneModel):
      def __init__(self):
          super(Person, self).__init__()
          self.name = ''
          self.note = ''
          self.tags = ''
  
      def from_tuple(self, args):
          (self.name, self.note, self.tags, self.record_id, self.rivision) = args
          return self
  
      def to_tuple(self):
          return (self.name, self.note, self.tags, self.record_id, self.revision)
  
subject: remove not-used model