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Date: Thu, 3 Sep 2026 21:51:35 +0200
From: Sebastian Ramacher &lt;sramacher@debian.org&gt;
To: Debian Bug Tracking System &lt;submit@bugs.debian.org&gt;
Subject: python-rosettasciio: FTBFs on s390x: test_numpy.py:126: AssertionError
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Source: python-rosettasciio
Version: 0.14.0-1
Severity: serious
Tags: ftbfs sid forky
Justification: fails to build from source (but built successfully in the past)
X-Debbugs-Cc: debian-s390@lists.debian.org, sramacher@debian.org
User: debian-s390@lists.debian.org
Usertags: s390x

Dear maintainer,

python-rosettasciio FTBFS on s390x:

2 workers [398 items]

s.ss.sssss.ssssssssss.s.sss.sssssssssssssssssssssssssss.sss............. [ 18%]
........................................................................ [ 36%]
........................................................................ [ 54%]
.......................................................................F [ 72%]
....................................................s................... [ 90%]
.................................s....                                   [100%]
=================================== FAILURES ===================================
__________________________ test_numpy_unicore_header ___________________________
[gw0] linux -- Python 3.14.7 /usr/bin/python3.14

tmp_path = PosixPath('/tmp/pytest-of-sbuild/pytest-0/popen-gw0/test_numpy_unicore_header0')

    def test_numpy_unicore_header(tmp_path):
        filename = tmp_path / &quot;test_utf8_containing_dtype.npy&quot;
        # Create a sample numpy array with UTF-8 string dtype
        # Define a structured dtype with a unicode field
        dtype = np.dtype([(&quot;ΔT&quot;, &quot;f4&quot;), (&quot;Time&quot;, &quot;f4&quot;)])
    
        # Create a structured array with sample data
        original_array = np.array([(1.5, 0.0), (2.3, 1.0)], dtype=dtype)
        with pytest.warns(UserWarning, match=&quot;Stored array in format 3.0&quot;):
            np.save(filename, original_array)
    
        offset, shape, dtype = inspect_npy_file(filename)
        assert offset == 128  # Check the offset for the header
        assert shape == (2,)  # Check the shape of the array
&gt;       assert dtype == [(&quot;ΔT&quot;, &quot;&lt;f4&quot;), (&quot;Time&quot;, &quot;&lt;f4&quot;)]  # Check the dtype of the array
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
E       AssertionError: assert [('ΔT', '&gt;f4'...Time', '&gt;f4')] == [('ΔT', '&lt;f4'...Time', '&lt;f4')]
E         
E         At index 0 diff: ('ΔT', '&gt;f4') != ('ΔT', '&lt;f4')
E         Use -v to get more diff

../../../rsciio/tests/test_numpy.py:126: AssertionError

See
https://buildd.debian.org/status/fetch.php?pkg=python-rosettasciio&amp;arch=s390x&amp;ver=0.14.0-1&amp;stamp=1788456658&amp;raw=0
for full details.

Cheers
-- 
Sebastian Ramacher
]