in testapp/factories.py [0:0]
def get_translatableobject_content_type(obj: TranslatableMixin) -> ContentType:
for cls in type(obj).mro():
if issubclass(cls, models.Model):
for field in cls._meta.get_fields(include_parents=False):
if field.name == "translation_key":
return ContentType.objects.get_for_model(cls)
raise ValueError("obj must be a TranslatableMixin instance")