old_contents: # -*- coding: utf-8 -*-
  
  from openfisca_core.entities import build_entity
  
  # You can define here the entities you need in your legislation.
  
  Household = build_entity(
      key = "household",
      plural = "households",
      label = u'Household',
      roles = [
          {
              'key': 'parent',
              'plural': 'parents',
              'label': u'Parents',
              'max': 2,
              'subroles': ['first_parent', 'second_parent']
              },
          {
              'key': 'child',
              'plural': 'children',
              'label': u'Child',
              }
          ]
      )
  
  
  Person = build_entity(
      key = "person",
      plural = "persons",
      label = u'Person',
      is_person = True,
      )
  
  entities = [Household, Person]
  
new_contents: # -*- coding: utf-8 -*-
  
  # This file defines the entities needed by our legislation.
  
  from openfisca_core.entities import build_entity
  
  Household = build_entity(
      key = "household",
      plural = "households",
      label = u'Household',
      roles = [
          {
              'key': 'parent',
              'plural': 'parents',
              'label': u'Parents',
              'max': 2,
              'subroles': ['first_parent', 'second_parent']
              },
          {
              'key': 'child',
              'plural': 'children',
              'label': u'Child',
              }
          ]
      )
  
  
  Person = build_entity(
      key = "person",
      plural = "persons",
      label = u'Person',
      is_person = True,
      )
  
  entities = [Household, Person]
  
subject: Improve entities file description