old_contents: import factory
  
  from experiments.models import ExperimentData, ExperimentKeyValue
  from student.tests.factories import UserFactory
  
  
  class ExperimentDataFactory(factory.DjangoModelFactory):
      class Meta(object):
          model = ExperimentData
  
      user = factory.SubFactory(UserFactory)
      experiment_id = factory.fuzzy.FuzzyInteger(0)
      key = factory.Sequence(lambda n: n)
      value = factory.Faker('word')
  
  
  class ExperimentKeyValueFactory(factory.DjangoModelFactory):
      class Meta(object):
          model = ExperimentKeyValue
  
      experiment_id = factory.fuzzy.FuzzyInteger(0)
      key = factory.Sequence(lambda n: n)
      value = factory.Faker('word')
  
new_contents: import factory
  import factory.fuzzy
  
  from experiments.models import ExperimentData, ExperimentKeyValue
  from student.tests.factories import UserFactory
  
  
  class ExperimentDataFactory(factory.DjangoModelFactory):
      class Meta(object):
          model = ExperimentData
  
      user = factory.SubFactory(UserFactory)
      experiment_id = factory.fuzzy.FuzzyInteger(0)
      key = factory.Sequence(lambda n: n)
      value = factory.Faker('word')
  
  
  class ExperimentKeyValueFactory(factory.DjangoModelFactory):
      class Meta(object):
          model = ExperimentKeyValue
  
      experiment_id = factory.fuzzy.FuzzyInteger(0)
      key = factory.Sequence(lambda n: n)
      value = factory.Faker('word')
  
subject: Add an import of a submodule to make pytest less complainy