[Debian-astro-maintainers] Bug#1151781: python-fitsio: FTBFS: ModuleNotFoundError: No module named 'numpy._core._multiarray_umath'
Santiago Vila
sanvila at debian.org
Fri Oct 23 17:27:28 BST 2026
Package: src:python-fitsio
Version: 1.4.2+ds-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/202610/
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:python-fitsio, so that this is still
visible in the BTS web page for this package.
Thanks.
--------------------------------------------------------------------------------
[...]
from . import multiarray
File "/usr/lib/python3/dist-packages/numpy/_core/multiarray.py", line 11, in <module>
from . import _multiarray_umath, overrides
File "/usr/lib/python3/dist-packages/numpy/_core/overrides.py", line 6, in <module>
from numpy._core._multiarray_umath import (
ModuleNotFoundError: No module named 'numpy._core._multiarray_umath'
The above exception was the direct cause of the following exception:
Traceback (most recent call last):
File "/<<PKGBUILDDIR>>/setup.py", line 575, in <module>
setup(
File "/usr/lib/python3/dist-packages/setuptools/__init__.py", line 117, in setup
return distutils.core.setup(**attrs) # type: ignore[return-value]
File "/usr/lib/python3/dist-packages/setuptools/_distutils/core.py", line 168, in setup
return run_commands(dist)
File "/usr/lib/python3/dist-packages/setuptools/_distutils/core.py", line 184, in run_commands
dist.run_commands()
File "/usr/lib/python3/dist-packages/setuptools/_distutils/dist.py", line 1028, in run_commands
self.run_command(cmd)
File "/usr/lib/python3/dist-packages/setuptools/dist.py", line 1106, in run_command
super().run_command(command)
File "/usr/lib/python3/dist-packages/setuptools/_distutils/dist.py", line 1047, in run_command
cmd_obj.run()
File "/usr/lib/python3/dist-packages/setuptools/_distutils/command/build.py", line 137, in run
self.run_command(cmd_name)
File "/usr/lib/python3/dist-packages/setuptools/_distutils/cmd.py", line 342, in run_command
self.distribution.run_command(command)
File "/usr/lib/python3/dist-packages/setuptools/dist.py", line 1106, in run_command
super().run_command(command)
File "/usr/lib/python3/dist-packages/setuptools/_distutils/dist.py", line 1047, in run_command
cmd_obj.run()
File "/<<PKGBUILDDIR>>/setup.py", line 167, in run
import numpy
File "/usr/lib/python3/dist-packages/numpy/__init__.py", line 112, in <module>
from numpy.__config__ import show_config
File "/usr/lib/python3/dist-packages/numpy/__config__.py", line 4, in <module>
from numpy._core._multiarray_umath import (
File "/usr/lib/python3/dist-packages/numpy/_core/__init__.py", line 85, in <module>
raise ImportError(msg) from exc
ImportError:
IMPORTANT: PLEASE READ THIS FOR ADVICE ON HOW TO SOLVE THIS ISSUE!
Importing the numpy C-extensions failed. This error can happen for
many reasons, often due to issues with your setup or how NumPy was
installed.
The following compiled module files exist, but seem incompatible
with with either python 'cpython-315' or the platform 'linux':
* _multiarray_umath.cpython-314-x86_64-linux-gnu.so
We have compiled some common reasons and troubleshooting tips at:
https://numpy.org/devdocs/user/troubleshooting-importerror.html
Please note and check the following:
* The Python version is: Python 3.15 from "/usr/bin/python3.15"
* The NumPy version is: "2.4.6"
and make sure that they are the versions you expect.
Please carefully study the information and documentation linked above.
This is unlikely to be a NumPy issue but will be caused by a bad install
or environment on your machine.
Original error was: No module named 'numpy._core._multiarray_umath'
E: pybuild pybuild:485: build: plugin distutils failed with: exit code=1: /usr/bin/python3.15 setup.py build --use-system-fitsio
I: pybuild base:383: /usr/bin/python3 setup.py build --use-system-fitsio
running build
running build_py
creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.14_fitsio/build/fitsio
copying fitsio/fitslib.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.14_fitsio/build/fitsio
copying fitsio/_version.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.14_fitsio/build/fitsio
copying fitsio/header.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.14_fitsio/build/fitsio
copying fitsio/fits_exceptions.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.14_fitsio/build/fitsio
copying fitsio/util.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.14_fitsio/build/fitsio
copying fitsio/__init__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.14_fitsio/build/fitsio
creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.14_fitsio/build/fitsio/hdu
copying fitsio/hdu/base.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.14_fitsio/build/fitsio/hdu
copying fitsio/hdu/__init__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.14_fitsio/build/fitsio/hdu
copying fitsio/hdu/image.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.14_fitsio/build/fitsio/hdu
copying fitsio/hdu/table.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.14_fitsio/build/fitsio/hdu
creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.14_fitsio/build/fitsio/tests
copying fitsio/tests/test_warnings.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.14_fitsio/build/fitsio/tests
copying fitsio/tests/checks.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.14_fitsio/build/fitsio/tests
copying fitsio/tests/test_image_compression_defaults.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.14_fitsio/build/fitsio/tests
copying fitsio/tests/test_threading.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.14_fitsio/build/fitsio/tests
copying fitsio/tests/test_lib.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.14_fitsio/build/fitsio/tests
copying fitsio/tests/test_table.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.14_fitsio/build/fitsio/tests
copying fitsio/tests/test_locking.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.14_fitsio/build/fitsio/tests
copying fitsio/tests/test_image_compression.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.14_fitsio/build/fitsio/tests
copying fitsio/tests/test_header_junk.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.14_fitsio/build/fitsio/tests
copying fitsio/tests/test_empty_slice.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.14_fitsio/build/fitsio/tests
copying fitsio/tests/test_image.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.14_fitsio/build/fitsio/tests
copying fitsio/tests/test_util.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.14_fitsio/build/fitsio/tests
copying fitsio/tests/test_header.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.14_fitsio/build/fitsio/tests
copying fitsio/tests/makedata.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.14_fitsio/build/fitsio/tests
copying fitsio/tests/__init__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.14_fitsio/build/fitsio/tests
copying fitsio/tests/test_segfault.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.14_fitsio/build/fitsio/tests
creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.14_fitsio/build/fitsio/test_images
copying fitsio/test_images/make_test_rice_dither2_seed_images.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.14_fitsio/build/fitsio/test_images
running egg_info
writing fitsio.egg-info/PKG-INFO
writing dependency_links to fitsio.egg-info/dependency_links.txt
writing requirements to fitsio.egg-info/requires.txt
writing top-level names to fitsio.egg-info/top_level.txt
git archive detected - fallback to listing all files
reading manifest template 'MANIFEST.in'
warning: no files found matching 'cfitsio-4.6.4.tar.gz'
warning: no files found matching 'zlib.tar.gz'
adding license file 'LICENSE.txt'
writing manifest file 'fitsio.egg-info/SOURCES.txt'
copying fitsio/fitsio_pywrap.c -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.14_fitsio/build/fitsio
copying fitsio/test_images/test_gzip_compressed_image.fits.fz -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.14_fitsio/build/fitsio/test_images
copying fitsio/test_images/test_rice_dither2_seed42.fits -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.14_fitsio/build/fitsio/test_images
copying fitsio/test_images/test_rice_dither2_seed42.fits.fz -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.14_fitsio/build/fitsio/test_images
running build_ext
===============================================================================
linking Python extension to bzip2
===============================================================================
===============================================================================
linking Python extension to curl
===============================================================================
building 'fitsio._fitsio_wrap' extension
x86_64-linux-gnu-gcc -g -O2 -Werror=implicit-function-declaration -ffile-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -fstack-clash-protection -Wformat -Werror=format-security -fcf-protection -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -DFITSIO_HAS_BZIP2_SUPPORT -DFITSIO_HAS_CURL_SUPPORT -DFITSIO_USING_SYSTEM_FITSIO -I/usr/lib/x86_64-linux-gnu/python3-numpy/numpy/_core/include -I/usr/include/python3.14 -c fitsio/fitsio_pywrap.c -o build/temp.linux-x86_64-cpython-314/fitsio/fitsio_pywrap.o
x86_64-linux-gnu-gcc -shared -Wl,-O1 -Wl,-Bsymbolic-functions -Wl,-z,relro -g -fwrapv -O2 -Wl,-z,relro -Wl,-z,now -g -O2 -Werror=implicit-function-declaration -ffile-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -fstack-clash-protection -Wformat -Werror=format-security -fcf-protection -Wdate-time -D_FORTIFY_SOURCE=2 build/temp.linux-x86_64-cpython-314/fitsio/fitsio_pywrap.o -L/usr/lib/x86_64-linux-gnu -lcfitsio -lbz2 -lcurl -lz -lm -o /<<PKGBUILDDIR>>/.pybuild/cpython3_3.14_fitsio/build/fitsio/_fitsio_wrap.cpython-314-x86_64-linux-gnu.so
dh_auto_build: error: pybuild --build -i python{version} -p "3.15 3.14" --parallel=2 returned exit code 13
make: *** [debian/rules:14: binary] Error 25
dpkg-buildpackage: error: debian/rules binary subprocess failed with exit status 2
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