[Numpy-discussion] unique() should return a sorted array

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    James> Sets are available in python 2.3 as part of the sets module so it
    James> is possible.  However afaict the provided patch does not use the
    James> module and so will need to be adapted for use in 2.3.

I got so tired of the ugly test for the set builtin during our 2.3-to-2.4
transition that I finally just added

    if sys.hexversion < 0x2040000:
        from sets import Set as set
        import __builtin__
        __builtin__.set = set

to sitecustomize.py.  I'm not suggesting that scipy's installer should do
the same, but the change worked for us.

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