If you try to serialize a Django object to XML (JSON serialization is fine) that has a null datetime field, you get the following error:
Traceback (most recent call last):
File "<stdin>", line 1, in ?
File "c:\python24\lib\site-packages\django\core\serializers\__init__.py", line
55, in serialize
s.serialize(queryset, **options)
File "c:\python24\lib\site-packages\django\core\serializers\base.py", line 39,
in serialize
self.handle_field(obj, field)
File "c:\python24\lib\site-packages\django\core\serializers\xml_serializer.py"
, line 61, in handle_field
value = self.get_string_value(obj, field)
File "c:\python24\lib\site-packages\django\core\serializers\base.py", line 53,
in get_string_value
value = getattr(obj, field.name).strftime("%Y-%m-%d %H:%M:%S")
