  The Django object itself can be inspected as ``deserialized_object.object``.
  
  .. versionadded:: 1.5
  
  If fields in the serialized data do not exist on a model,
  a ``DeserializationError`` will be raised unless the ``ignorenonexistent``
  argument is passed in as True::
  
      serializers.deserialize("xml", data, ignorenonexistent=True)
  
  .. _serialization-formats:
  
 
</s> remove     serializers.deserialize("xml", data, ignorenonexistent=True)
 </s> add         serializers.deserialize("xml", data, ignorenonexistent=True) </s> remove In previous versions of Django, the ``pk`` attribute had to be present
on the serialized data or a ``DeserializationError`` would be raised.
 </s> add     In previous versions of Django, the ``pk`` attribute had to be present
    on the serialized data or a ``DeserializationError`` would be raised. </s> remove             The ``content_type`` attribute was added.
 </s> add  </s> remove The current value of the field will be displayed as a clickable link above the
input widget.
 </s> add     The current value of the field will be displayed as a clickable link above the
    input widget. </s> remove You can now use :class:`HttpResponse` as a file-like object even if it was
instantiated with an iterator. Django will consume and save the content of
the iterator on first access.
 </s> add     You can now use :class:`HttpResponse` as a file-like object even if it was
    instantiated with an iterator. Django will consume and save the content of
    the iterator on first access.
    If fields in the serialized data do not exist on a model,
    a ``DeserializationError`` will be raised unless the ``ignorenonexistent``
    argument is passed in as True::
  The Django object itself can be inspected as ``deserialized_object.object``.
  
  .. versionadded:: 1.5
  
    If fields in the serialized data do not exist on a model,
    a ``DeserializationError`` will be raised unless the ``ignorenonexistent``
    argument is passed in as True::
    If fields in the serialized data do not exist on a model,
    a ``DeserializationError`` will be raised unless the ``ignorenonexistent``
    argument is passed in as True::
    If fields in the serialized data do not exist on a model,
    a ``DeserializationError`` will be raised unless the ``ignorenonexistent``
    argument is passed in as True::
  
      serializers.deserialize("xml", data, ignorenonexistent=True)
  
  .. _serialization-formats:
  
keep keep keep keep replace replace replace keep keep keep keep keep
 Adapted uses of versionchanged/versionadded to the new form.

Refs #20104. 
docs/topics/serialization.txt