Scientific Python moving to Python 3 only.

[MRAB]

On 2018-01-01 06:10, Terry Reedy wrote:
> https://github.com/numpy/numpy/blob/master/doc/neps/dropping-python2.7-proposal.rst
> 
> Numpy people currently plan to stop adding features to their 2.7 branch
> after Dec 31, 2018 and stop adding bug fixes to the last version
> supporting 2.7 a year later, Dec 31, 2019.  It will remain available for
> pip installation, and possible support by other (most likely commercial)
> parties.
> 
> http://www.python3statement.org/
> About 30 other projects, including other part of the python-science
> stack, have 'pledged' to so something similar.
> 
FTR, I'll be dropping support for the regex module on Python 2 at about 
the same time.

(In practice, there's a lot of code sharing with regex on Python 3, but 
if it's not a bug on Python 3, then it'll be "Won't fix".)