bug#37705: python-scikit-learn fails tests

[Ricardo Wurmus <rekado@elephly.net>]

Jesse Gibbons <jgibbons2357@gmail.com> writes:

> On Fri, 2019-10-11 at 10:42 -0600, Jesse Gibbons wrote:
>> I need python-scikit-learn for an ai project.
>>
>> "guix build python-scikit-learn"
>> ...
>> build of /gnu/store/wymxdfygbzij8hbz4gqkrwnb3jkicx76-python-scikit-learn-
>> 0.20.3.drv failed
>> View build log at '/var/log/guix/drvs/wy/mxdfygbzij8hbz4gqkrwnb3jkicx76-
>> python-scikit-learn-0.20.3.drv.bz2'.
>>
>>
>> log tarball attached.
>>
>> I'm working on fixing it, but help would be appreciated.
> update:
> python-scikit-learn is outdated. It can be updated to 0.20.4
> I am testing the build right now. I will send a patch if it builds.
>
> I think we can also discuss what to do about python-scikit-learn dropping
> python2 support beginning with 0.21; there is a thread on guix-devel titled
> "the upcoming Great Python2 Purge™" we can revive. I would hate for guix
> packages to fall too far behind.

What I’ve done in the past when upgrading the science packages beyond
the versions that support Python 2 is to make the Python 2 variant
independent and freeze at the old version.  As soon as there are no more
packages depending on these old versions they should be removed.


--
Ricardo