old_contents: from django.conf import settings
  from django.utils import six, translation
  
  
  class LocalizedValueDescriptor:
      """
      The descriptor for the localized value attribute on the model instance.
      Returns a :see:LocalizedValue when accessed so you can do stuff like::
  
          >>> from myapp.models import MyModel
          >>> instance = MyModel()
          >>> instance.value.en = 'English value'
  
      Assigns a strings to active language key in :see:LocalizedValue on
      assignment so you can do::
  
          >>> from django.utils import translation
          >>> from myapp.models import MyModel
  
          >>> translation.activate('nl')
          >>> instance = MyModel()
          >>> instance.title = 'dutch title'
          >>> print(instance.title.nl) # prints 'dutch title'
      """
  
      def __init__(self, field):
          """Initializes a new instance of :see:LocalizedValueDescriptor."""
  
          self.field = field
  
      def __get__(self, instance, cls=None):
          if instance is None:
              return self
  
          # This is slightly complicated, so worth an explanation.
          # `instance.localizedvalue` needs to ultimately return some instance of
          # `LocalizedValue`, probably a subclass.
  
          # The instance dict contains whatever was originally assigned
          # in __set__.
  
          if self.field.name in instance.__dict__:
              value = instance.__dict__[self.field.name]
          elif instance.pk is not None:
              instance.refresh_from_db(fields=[self.field.name])
              value = getattr(instance, self.field.name)
          else:
              value = None
  
          if value is None:
              attr = self.field.attr_class()
              instance.__dict__[self.field.name] = attr
  
          if isinstance(value, dict):
              attr = self.field.attr_class(value)
              instance.__dict__[self.field.name] = attr
  
          return instance.__dict__[self.field.name]
  
      def __set__(self, instance, value):
          if isinstance(value, six.string_types):
              language = translation.get_language() or settings.LANGUAGE_CODE
              self.__get__(instance).set(language, value) # pylint: disable=no-member
          else:
              instance.__dict__[self.field.name] = value
  
new_contents: from django.conf import settings
  from django.utils import six, translation
  
  
  class LocalizedValueDescriptor:
      """
      The descriptor for the localized value attribute on the model instance.
      Returns a :see:LocalizedValue when accessed so you can do stuff like::
  
          >>> from myapp.models import MyModel
          >>> instance = MyModel()
          >>> instance.value.en = 'English value'
  
      Assigns a strings to active language key in :see:LocalizedValue on
      assignment so you can do::
  
          >>> from django.utils import translation
          >>> from myapp.models import MyModel
  
          >>> translation.activate('nl')
          >>> instance = MyModel()
          >>> instance.title = 'dutch title'
          >>> print(instance.title.nl) # prints 'dutch title'
      """
  
      def __init__(self, field):
          """Initializes a new instance of :see:LocalizedValueDescriptor."""
  
          self.field = field
  
      def __get__(self, instance, cls=None):
          if instance is None:
              return self
  
          # This is slightly complicated, so worth an explanation.
          # `instance.localizedvalue` needs to ultimately return some instance of
          # `LocalizedValue`, probably a subclass.
  
          # The instance dict contains whatever was originally assigned
          # in __set__.
  
          if self.field.name in instance.__dict__:
              value = instance.__dict__[self.field.name]
          elif instance.pk is not None:
              instance.refresh_from_db(fields=[self.field.name])
              value = getattr(instance, self.field.name)
          else:
              value = None
  
          if value is None:
              attr = self.field.attr_class()
              instance.__dict__[self.field.name] = attr
  
          if isinstance(value, dict):
              attr = self.field.attr_class(value)
              instance.__dict__[self.field.name] = attr
  
          return instance.__dict__[self.field.name]
  
      def __set__(self, instance, value):
          if isinstance(value, six.string_types):
              language = translation.get_language() or settings.LANGUAGE_CODE
              self.__get__(instance).set(language, value)  # pylint: disable=no-member
          else:
              instance.__dict__[self.field.name] = value
  
subject: Fix pep8 issue, use two spaces before inline comment