(It seems that I am the first SWIG user to try python 3.2...)

http://mail.python.org/pipermail/python-dev/2010-September/103408.html

values (http://bugs.python.org/issue7005)
(merged r84443 from the release27-mmaint branch, with changes to reflect
changes in Python 3)

dict_items views.  The method is required by the collections.Set ABC,
which the views register as supporting.