[Cython] cython-devel-py3: __future__ in Future.py

[Stefan Behnel]

Hi,

Lisandro Dalcin wrote:
> Stefan, I really do not understand why you are implementing Future.py
> in therms of __future__ module, but such an approach will preclude to
> run the Cython compiler with Python less than 2.6.

Sorry, that was a bug. It should have been done the way you proposed (that's
the moments when I'm happy to work on a branch and not on cython-devel).

Stefan