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Re: Numpy migration?

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Mattia Rizzolo <mattia@debian.org> writes:
> On Sun, Jan 06, 2019 at 05:07:41PM +0100, Ole Streicher wrote:
>> Now it turns out that there is a new migration problem, which is aplpy:
>> Current aplpy (2.0~rc2-2) CI test works well
>
> You probably mean aplpy 1.1.1-4.

No, I meant the one above (although the unstable test was not done on
ci.d.n when I wrote my last mail).

>>  - with numpy-1.15.4-2 (testing) and matplotlib-2.2.2-4 (testing),
>>  - with numpy-1.16.0~rc2-1 (unstable) and matplotlib-3.0.2-2 (unstable).
>> 
>> However it does not work well when combining numpy-1.16.0~rc2 (unstable)
>> and matplotlib-2.2.2-4 (testing), which is the combination that is
>> tested for migration of numpy. Needless to say that matplotlib migrates
>> only after numpy. What should one do here? Declaring another
>> "Breaks: matplotlib (<< 3.0)" in numpy?
>
> Well, to me it seems it's python3-astropy that is missing a dependency
> on python3-skimage there, to be honest:
> |>       from skimage.measure import block_reduce
> |E       ModuleNotFoundError: No module named 'skimage'
> |
> |/usr/lib/python3/dist-packages/astropy/nddata/utils.py:370: ModuleNotFoundError
>
> However I wouldn't be able to tell you why it would pass with numpy and
> matplotlib from unstable, given that neither pulls in skimage…

astropy needs askimage only in some cases, so it is (should be) a
suggestion and not a recommendation. aplpy is however one of these
cases -- but this is not the problem here, since aplpy 2.0~rc2-2 has
skimage in its test dependency.

The problem is that aplpy uses matplotlib, and the old matplotlib uses
the deprecated numpy function np.asscalar(), which leads to a
DeprecationWarning, which is (on purpose, by upstream) thrown as error.

https://ci.debian.net/data/autopkgtest/testing/amd64/a/aplpy/1658948/log.gz

This does only happen in the combination "new numpy + old matplotlib",
but this is the one that is tested for the CI test.

best

Ole

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Thread

Numpy migration? Ole Streicher <olebole@debian.org> - 2019-01-05 15:20 +0100
  Re: Numpy migration? Mattia Rizzolo <mattia@debian.org> - 2019-01-05 15:40 +0100
    Re: Numpy migration? Ole Streicher <olebole@debian.org> - 2019-01-05 16:20 +0100
      Re: Numpy migration? Mattia Rizzolo <mattia@debian.org> - 2019-01-05 16:40 +0100
        Re: Numpy migration? Ole Streicher <olebole@debian.org> - 2019-01-05 20:50 +0100
          Re: Numpy migration? Scott Kitterman <debian@kitterman.com> - 2019-01-05 21:00 +0100
          Re: Numpy migration? Mattia Rizzolo <mattia@debian.org> - 2019-01-06 01:40 +0100
            Re: Numpy migration? Ole Streicher <olebole@debian.org> - 2019-01-06 17:30 +0100
              Re: Numpy migration? Steffen Möller <steffen_moeller@gmx.de> - 2019-01-06 18:20 +0100
                Re: Numpy migration? Mattia Rizzolo <mattia@debian.org> - 2019-01-06 18:50 +0100
              Re: Numpy migration? Mattia Rizzolo <mattia@debian.org> - 2019-01-06 19:00 +0100
                Re: Numpy migration? Ole Streicher <olebole@debian.org> - 2019-01-07 09:30 +0100
                Re: Numpy migration? Mattia Rizzolo <mattia@debian.org> - 2019-01-07 17:30 +0100
                Re: Numpy migration? Ole Streicher <olebole@debian.org> - 2019-01-07 18:10 +0100
                Re: Numpy migration? Paul Gevers <elbrus@debian.org> - 2019-01-07 21:10 +0100
    Re: Numpy migration? Ole Streicher <olebole@debian.org> - 2019-01-05 16:40 +0100
      Re: Numpy migration? Mattia Rizzolo <mattia@debian.org> - 2019-01-05 16:50 +0100

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