It is PEP 505.
I agree we should resume the discussion on this PEP though (for 3.7), I'm not completely sure why it stalled.


On Sat, 10 Sep 2016, 02:50 Steven D'Aprano, <> wrote:
On Fri, Sep 09, 2016 at 10:01:44PM +0200, Arek Bulski wrote:
> Sometimes I find myself in need of this nice operator that I used back in
> the days when I was programming in .NET, essentially an expression
> >>> expr ?? instead
> should return expr when it `is not None` and `instead` otherwise.

As Zach and MRAB mention, this was discussed last year. If I recall
correctly, the discussion fizzled out without a solid conclusion. I
think there's a PEP -- if not, there should be.

I would be interested in revisiting this idea, but 3.6 feature freeze is
only a day or two away and I won't have time to discuss this before
then. So let's please drop this discussion until the 3.6 beta is

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