Bug#1018939: zarr: autopkgtest regression on s390x

Graham Inggs <[email protected]>
Newsgroups gmane.linux.debian.ports.s390
Message-ID <CAM8zJQswnKZWrFvadFhi1G+tXS5p5MMLub-2UhWyeycizQ3chg__39781.8675309949$1662105634$gmane$org@mail.gmail.com>
Source: zarr
Version: 2.11.1+ds-1
X-Debbugs-CC: [email protected]
Severity: important
User: [email protected]
Usertags: regression

Hi Maintainer

zarr's autopkgtests started failing on the big-endian s390x
architecture [1], where they passed previously.  I've copied what I
hope is the relevant part of the log below.

Regards
Graham


[1] https://ci.debian.net/packages/z/zarr/testing/s390x/


=================================== FAILURES ===================================
________________ TestArrayWithCustomMapping.test_nbytes_stored _________________

self = <zarr.tests.test_core.TestArrayWithCustomMapping
testMethod=test_nbytes_stored>

    def test_nbytes_stored(self):
        z = self.create_array(shape=1000, chunks=100)
        assert 245 == z.nbytes_stored
        z[:] = 42
>       assert 515 == z.nbytes_stored
E       assert 515 == 495
E        +  where 495 = <zarr.core.Array (1000,) float64>.nbytes_stored

/usr/lib/python3/dist-packages/zarr/tests/test_core.py:2403: AssertionError
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