[scikit-learn] [Scikit-learn-general] Dropping Python 2.6 compatibility

[Gael Varoquaux]

> Picking up this old thread, I propose we announce that 0.18 is the last
> release that
> will support Python 2.6.
> That will give people some time to think about it between releases.

As you know: +1 from my side.

One of my arguments for this is that it becomes harder and harder to set
up continuous integration environments to test related projects with 2.6.
Hence related projects are likely to coderot under 2.6.

Thanks for raising this issue.

Gaël