old_contents: from django.contrib.auth import get_user_model
  from factory import DjangoModelFactory, CREATE_STRATEGY, LazyAttribute, PostGeneration, SubFactory
  from yunity.base.factories import Wall
  from yunity.utils.tests.fake import faker
  
  
  class User(DjangoModelFactory):
  
      class Meta:
          model = get_user_model()
          strategy = CREATE_STRATEGY
  
      is_active = True
      is_staff = False
      display_name = LazyAttribute(lambda _: faker.name())
      first_name = LazyAttribute(lambda _: faker.name())
      last_name = LazyAttribute(lambda _: faker.name())
      email = LazyAttribute(lambda _: faker.email())
      password = PostGeneration(lambda obj, *args, **kwargs: obj.set_password(obj.display_name))
  
      wall = SubFactory(Wall)
  
new_contents: from django.contrib.auth import get_user_model
  from factory import DjangoModelFactory, CREATE_STRATEGY, LazyAttribute, PostGeneration, SubFactory
  from yunity.walls.factories import Wall
  from yunity.utils.tests.fake import faker
  
  
  class User(DjangoModelFactory):
  
      class Meta:
          model = get_user_model()
          strategy = CREATE_STRATEGY
  
      is_active = True
      is_staff = False
      display_name = LazyAttribute(lambda _: faker.name())
      first_name = LazyAttribute(lambda _: faker.name())
      last_name = LazyAttribute(lambda _: faker.name())
      email = LazyAttribute(lambda _: faker.email())
      password = PostGeneration(lambda obj, *args, **kwargs: obj.set_password(obj.display_name))
  
      wall = SubFactory(Wall)
  
subject: Fix reference to wall factory