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 (envelope-from &lt;sanvila@debian.org&gt;) id 1x0iCH-006Frh-1K
 for submit@bugs.debian.org; Sun, 30 Aug 2026 16:15:53 +0000
From: Santiago Vila &lt;sanvila@debian.org&gt;
To: Debian BTS &lt;submit@bugs.debian.org&gt;
Subject: pytables: FTBFS: AssertionError: np.False_ is not true
X-Debbugs-Cc: sanvila@debian.org
Message-Id: &lt;E1x0iCH-006Frh-1K@paradis.debian.org&gt;
Date: Sun, 30 Aug 2026 16:15:53 +0000
Delivered-To: submit@bugs.debian.org

Package: src:pytables
Version: 3.11.1-2
Severity: serious
Tags: ftbfs forky sid

Dear maintainer:

During a rebuild of all packages in unstable, this package failed to build.

Below you will find the last part of the build log (probably the most
relevant part, but not necessarily). If required, the full build log
is available here:

https://people.debian.org/~sanvila/build-logs/202608/

About the archive rebuild: The build was made on virtual machines from AWS,
using sbuild and a reduced chroot with only build-essential packages.

If you cannot reproduce the bug please contact me privately, as I
am willing to provide ssh access to a virtual machine where the bug is
fully reproducible.

If this is really a bug in one of the build-depends, please use
reassign and add an affects on src:pytables, so that this is still
visible in the BTS web page for this package.

Thanks.

--------------------------------------------------------------------------------
[...]
======================================================================
FAIL: None (tables.tests.test_tables.CompressBlosc2ZstdTablesTestCase.None)
----------------------------------------------------------------------
Traceback (most recent call last):
  File &quot;/&lt;&lt;PKGBUILDDIR&gt;&gt;/.pybuild/cpython3_3.14/build/tables/tests/test_tables.py&quot;, line 1709, in test02g_AppendRows
    self.assertEqual(result, particles)
    ~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^
AssertionError: Lists differ: [(b'', 0, 0, 0.0, 0.0), (b'', 0, 0, 0.0, 0.0)[23602 chars]0.0)] != [(b'Particle:      0', 0, 10, 0.0, 0.0), (b'P[33874 chars]1.0)]

First differing element 0:
(b'', 0, 0, 0.0, 0.0)
(b'Particle:      0', 0, 10, 0.0, 0.0)

Diff is 45052 characters long. Set self.maxDiff to None to see it.

======================================================================
FAIL: None (tables.tests.test_carray.Blosc2CrossChunkTestCase.None)
----------------------------------------------------------------------
Traceback (most recent call last):
  File &quot;/&lt;&lt;PKGBUILDDIR&gt;&gt;/.pybuild/cpython3_3.14/build/tables/tests/test_carray.py&quot;, line 186, in test01_readCArray
    self.assertTrue(common.allequal(data, obj, self.flavor))
    ~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
AssertionError: np.False_ is not true

======================================================================
FAIL: None (tables.tests.test_carray.Blosc2CrossChunkTestCase.None)
----------------------------------------------------------------------
Traceback (most recent call last):
  File &quot;/&lt;&lt;PKGBUILDDIR&gt;&gt;/.pybuild/cpython3_3.14/build/tables/tests/test_carray.py&quot;, line 247, in test01_readCArray_out_argument
    self.assertTrue(common.allequal(data, obj, self.flavor))
    ~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
AssertionError: np.False_ is not true

======================================================================
FAIL: None (tables.tests.test_carray.Blosc2CrossChunkTestCase.None)
----------------------------------------------------------------------
Traceback (most recent call last):
  File &quot;/&lt;&lt;PKGBUILDDIR&gt;&gt;/.pybuild/cpython3_3.14/build/tables/tests/test_carray.py&quot;, line 311, in test02_getitemCArray
    self.assertTrue(common.allequal(data, obj, self.flavor))
    ~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
AssertionError: np.False_ is not true

======================================================================
FAIL: None (tables.tests.test_carray.Blosc2CrossChunkTestCase.None)
----------------------------------------------------------------------
Traceback (most recent call last):
  File &quot;/&lt;&lt;PKGBUILDDIR&gt;&gt;/.pybuild/cpython3_3.14/build/tables/tests/test_carray.py&quot;, line 393, in test03_setitemCArray
    self.assertTrue(common.allequal(data, obj, self.flavor))
    ~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
AssertionError: np.False_ is not true

======================================================================
FAIL: None (tables.tests.test_carray.Blosc2CrossChunkOptTestCase.None)
----------------------------------------------------------------------
Traceback (most recent call last):
  File &quot;/&lt;&lt;PKGBUILDDIR&gt;&gt;/.pybuild/cpython3_3.14/build/tables/tests/test_carray.py&quot;, line 186, in test01_readCArray
    self.assertTrue(common.allequal(data, obj, self.flavor))
    ~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
AssertionError: np.False_ is not true

======================================================================
FAIL: None (tables.tests.test_carray.Blosc2CrossChunkOptTestCase.None)
----------------------------------------------------------------------
Traceback (most recent call last):
  File &quot;/&lt;&lt;PKGBUILDDIR&gt;&gt;/.pybuild/cpython3_3.14/build/tables/tests/test_carray.py&quot;, line 247, in test01_readCArray_out_argument
    self.assertTrue(common.allequal(data, obj, self.flavor))
    ~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
AssertionError: np.False_ is not true

======================================================================
FAIL: None (tables.tests.test_carray.Blosc2CrossChunkOptTestCase.None)
----------------------------------------------------------------------
Traceback (most recent call last):
  File &quot;/&lt;&lt;PKGBUILDDIR&gt;&gt;/.pybuild/cpython3_3.14/build/tables/tests/test_carray.py&quot;, line 311, in test02_getitemCArray
    self.assertTrue(common.allequal(data, obj, self.flavor))
    ~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
AssertionError: np.False_ is not true

======================================================================
FAIL: None (tables.tests.test_carray.Blosc2CrossChunkOptTestCase.None)
----------------------------------------------------------------------
Traceback (most recent call last):
  File &quot;/&lt;&lt;PKGBUILDDIR&gt;&gt;/.pybuild/cpython3_3.14/build/tables/tests/test_carray.py&quot;, line 393, in test03_setitemCArray
    self.assertTrue(common.allequal(data, obj, self.flavor))
    ~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
AssertionError: np.False_ is not true

======================================================================
FAIL: None (tables.tests.test_carray.Blosc2PastLastChunkTestCase.None)
----------------------------------------------------------------------
Traceback (most recent call last):
  File &quot;/&lt;&lt;PKGBUILDDIR&gt;&gt;/.pybuild/cpython3_3.14/build/tables/tests/test_carray.py&quot;, line 186, in test01_readCArray
    self.assertTrue(common.allequal(data, obj, self.flavor))
    ~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
AssertionError: np.False_ is not true

======================================================================
FAIL: None (tables.tests.test_carray.Blosc2PastLastChunkTestCase.None)
----------------------------------------------------------------------
Traceback (most recent call last):
  File &quot;/&lt;&lt;PKGBUILDDIR&gt;&gt;/.pybuild/cpython3_3.14/build/tables/tests/test_carray.py&quot;, line 247, in test01_readCArray_out_argument
    self.assertTrue(common.allequal(data, obj, self.flavor))
    ~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
AssertionError: np.False_ is not true

======================================================================
FAIL: None (tables.tests.test_carray.Blosc2PastLastChunkTestCase.None)
----------------------------------------------------------------------
Traceback (most recent call last):
  File &quot;/&lt;&lt;PKGBUILDDIR&gt;&gt;/.pybuild/cpython3_3.14/build/tables/tests/test_carray.py&quot;, line 311, in test02_getitemCArray
    self.assertTrue(common.allequal(data, obj, self.flavor))
    ~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
AssertionError: np.False_ is not true

======================================================================
FAIL: None (tables.tests.test_carray.Blosc2PastLastChunkTestCase.None)
----------------------------------------------------------------------
Traceback (most recent call last):
  File &quot;/&lt;&lt;PKGBUILDDIR&gt;&gt;/.pybuild/cpython3_3.14/build/tables/tests/test_carray.py&quot;, line 393, in test03_setitemCArray
    self.assertTrue(common.allequal(data, obj, self.flavor))
    ~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
AssertionError: np.False_ is not true

======================================================================
FAIL: None (tables.tests.test_carray.Blosc2PastLastChunkOptTestCase.None)
----------------------------------------------------------------------
Traceback (most recent call last):
  File &quot;/&lt;&lt;PKGBUILDDIR&gt;&gt;/.pybuild/cpython3_3.14/build/tables/tests/test_carray.py&quot;, line 186, in test01_readCArray
    self.assertTrue(common.allequal(data, obj, self.flavor))
    ~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
AssertionError: np.False_ is not true

======================================================================
FAIL: None (tables.tests.test_carray.Blosc2PastLastChunkOptTestCase.None)
----------------------------------------------------------------------
Traceback (most recent call last):
  File &quot;/&lt;&lt;PKGBUILDDIR&gt;&gt;/.pybuild/cpython3_3.14/build/tables/tests/test_carray.py&quot;, line 247, in test01_readCArray_out_argument
    self.assertTrue(common.allequal(data, obj, self.flavor))
    ~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
AssertionError: np.False_ is not true

======================================================================
FAIL: None (tables.tests.test_carray.Blosc2PastLastChunkOptTestCase.None)
----------------------------------------------------------------------
Traceback (most recent call last):
  File &quot;/&lt;&lt;PKGBUILDDIR&gt;&gt;/.pybuild/cpython3_3.14/build/tables/tests/test_carray.py&quot;, line 311, in test02_getitemCArray
    self.assertTrue(common.allequal(data, obj, self.flavor))
    ~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
AssertionError: np.False_ is not true

======================================================================
FAIL: None (tables.tests.test_carray.Blosc2PastLastChunkOptTestCase.None)
----------------------------------------------------------------------
Traceback (most recent call last):
  File &quot;/&lt;&lt;PKGBUILDDIR&gt;&gt;/.pybuild/cpython3_3.14/build/tables/tests/test_carray.py&quot;, line 393, in test03_setitemCArray
    self.assertTrue(common.allequal(data, obj, self.flavor))
    ~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
AssertionError: np.False_ is not true

======================================================================
FAIL: None (tables.tests.test_carray.Blosc2Ndim3MinChunkOptTestCase.None)
----------------------------------------------------------------------
Traceback (most recent call last):
  File &quot;/&lt;&lt;PKGBUILDDIR&gt;&gt;/.pybuild/cpython3_3.14/build/tables/tests/test_carray.py&quot;, line 186, in test01_readCArray
    self.assertTrue(common.allequal(data, obj, self.flavor))
    ~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
AssertionError: np.False_ is not true

======================================================================
FAIL: None (tables.tests.test_carray.Blosc2Ndim3MinChunkOptTestCase.None)
----------------------------------------------------------------------
Traceback (most recent call last):
  File &quot;/&lt;&lt;PKGBUILDDIR&gt;&gt;/.pybuild/cpython3_3.14/build/tables/tests/test_carray.py&quot;, line 247, in test01_readCArray_out_argument
    self.assertTrue(common.allequal(data, obj, self.flavor))
    ~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
AssertionError: np.False_ is not true

======================================================================
FAIL: None (tables.tests.test_carray.Blosc2Ndim3MinChunkOptTestCase.None)
----------------------------------------------------------------------
Traceback (most recent call last):
  File &quot;/&lt;&lt;PKGBUILDDIR&gt;&gt;/.pybuild/cpython3_3.14/build/tables/tests/test_carray.py&quot;, line 311, in test02_getitemCArray
    self.assertTrue(common.allequal(data, obj, self.flavor))
    ~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
AssertionError: np.False_ is not true

======================================================================
FAIL: None (tables.tests.test_carray.Blosc2Ndim3MinChunkOptTestCase.None)
----------------------------------------------------------------------
Traceback (most recent call last):
  File &quot;/&lt;&lt;PKGBUILDDIR&gt;&gt;/.pybuild/cpython3_3.14/build/tables/tests/test_carray.py&quot;, line 393, in test03_setitemCArray
    self.assertTrue(common.allequal(data, obj, self.flavor))
    ~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
AssertionError: np.False_ is not true

======================================================================
FAIL: None (tables.tests.test_carray.Blosc2Ndim3ChunkOptTestCase.None)
----------------------------------------------------------------------
Traceback (most recent call last):
  File &quot;/&lt;&lt;PKGBUILDDIR&gt;&gt;/.pybuild/cpython3_3.14/build/tables/tests/test_carray.py&quot;, line 186, in test01_readCArray
    self.assertTrue(common.allequal(data, obj, self.flavor))
    ~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
AssertionError: np.False_ is not true

======================================================================
FAIL: None (tables.tests.test_carray.Blosc2Ndim3ChunkOptTestCase.None)
----------------------------------------------------------------------
Traceback (most recent call last):
  File &quot;/&lt;&lt;PKGBUILDDIR&gt;&gt;/.pybuild/cpython3_3.14/build/tables/tests/test_carray.py&quot;, line 247, in test01_readCArray_out_argument
    self.assertTrue(common.allequal(data, obj, self.flavor))
    ~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
AssertionError: np.False_ is not true

======================================================================
FAIL: None (tables.tests.test_carray.Blosc2Ndim3ChunkOptTestCase.None)
----------------------------------------------------------------------
Traceback (most recent call last):
  File &quot;/&lt;&lt;PKGBUILDDIR&gt;&gt;/.pybuild/cpython3_3.14/build/tables/tests/test_carray.py&quot;, line 311, in test02_getitemCArray
    self.assertTrue(common.allequal(data, obj, self.flavor))
    ~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
AssertionError: np.False_ is not true

======================================================================
FAIL: None (tables.tests.test_carray.Blosc2Ndim3ChunkOptTestCase.None)
----------------------------------------------------------------------
Traceback (most recent call last):
  File &quot;/&lt;&lt;PKGBUILDDIR&gt;&gt;/.pybuild/cpython3_3.14/build/tables/tests/test_carray.py&quot;, line 393, in test03_setitemCArray
    self.assertTrue(common.allequal(data, obj, self.flavor))
    ~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
AssertionError: np.False_ is not true

======================================================================
FAIL: None (tables.tests.test_carray.Blosc2Ndim4ChunkOptTestCase.None)
----------------------------------------------------------------------
Traceback (most recent call last):
  File &quot;/&lt;&lt;PKGBUILDDIR&gt;&gt;/.pybuild/cpython3_3.14/build/tables/tests/test_carray.py&quot;, line 186, in test01_readCArray
    self.assertTrue(common.allequal(data, obj, self.flavor))
    ~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
AssertionError: np.False_ is not true

======================================================================
FAIL: None (tables.tests.test_carray.Blosc2Ndim4ChunkOptTestCase.None)
----------------------------------------------------------------------
Traceback (most recent call last):
  File &quot;/&lt;&lt;PKGBUILDDIR&gt;&gt;/.pybuild/cpython3_3.14/build/tables/tests/test_carray.py&quot;, line 247, in test01_readCArray_out_argument
    self.assertTrue(common.allequal(data, obj, self.flavor))
    ~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
AssertionError: np.False_ is not true

======================================================================
FAIL: None (tables.tests.test_carray.Blosc2Ndim4ChunkOptTestCase.None)
----------------------------------------------------------------------
Traceback (most recent call last):
  File &quot;/&lt;&lt;PKGBUILDDIR&gt;&gt;/.pybuild/cpython3_3.14/build/tables/tests/test_carray.py&quot;, line 311, in test02_getitemCArray
    self.assertTrue(common.allequal(data, obj, self.flavor))
    ~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
AssertionError: np.False_ is not true

======================================================================
FAIL: None (tables.tests.test_carray.Blosc2Ndim4ChunkOptTestCase.None)
----------------------------------------------------------------------
Traceback (most recent call last):
  File &quot;/&lt;&lt;PKGBUILDDIR&gt;&gt;/.pybuild/cpython3_3.14/build/tables/tests/test_carray.py&quot;, line 393, in test03_setitemCArray
    self.assertTrue(common.allequal(data, obj, self.flavor))
    ~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
AssertionError: np.False_ is not true

----------------------------------------------------------------------
Ran 6851 tests in 122.247s

FAILED (failures=44, errors=8, skipped=14)
E: pybuild pybuild:485: test: plugin pyproject failed with: exit code=1: cd /&lt;&lt;PKGBUILDDIR&gt;&gt;/.pybuild/cpython3_3.14/build; cd {build_dir} &amp;&amp; env PYTHONPATH={build_dir} python{version} -c &quot;import tables as tb, sys; sys.exit(tb.test(verbose=2))&quot;
dh_auto_test: error: pybuild --test -i python{version} -p 3.14 --parallel=2 returned exit code 13
make: *** [debian/rules:24: binary] Error 25
dpkg-buildpackage: error: debian/rules binary subprocess failed with exit status 2
--------------------------------------------------------------------------------
]