Bug#1092802: Autopkgtests fail with Python 3.13: AttributeError: 'NoneType' object has no attribute 'span'

[Mo Zhou <lumin@debian.org>]

Control: forwarded -1 https://github.com/skorch-dev/skorch/issues/1080

This is a python 3.13 support issue for the upstream.


On 1/11/25 13:37, Andrey Rakhmatullin wrote:
> Package: python3-skorch
> Version: 1.0.0-1
> Severity: serious
> User: debian-python@lists.debian.org
> Usertags: python3.13
>
> https://ci.debian.net/packages/s/skorch/testing/amd64/56321425/
>
> autopkgtest [09:12:00]: test command1: python3 debian/tests/example1.py
> autopkgtest [09:12:00]: test command1: [-----------------------
> Traceback (most recent call last):
>    File "/tmp/autopkgtest-
> lxc.wh_uvqzq/downtmp/build.cMe/src/debian/tests/example1.py", line 7, in
> <module>
>      from skorch import NeuralNetClassifier
>    File "/usr/lib/python3/dist-packages/skorch/__init__.py", line 10, in
> <module>
>      from .classifier import NeuralNetClassifier
>    File "/usr/lib/python3/dist-packages/skorch/classifier.py", line 54, in
> <module>
>      class NeuralNetClassifier(NeuralNet, ClassifierMixin):
>      ...<177 lines>...
>              return self.predict_proba(X).argmax(axis=1)
>    File "/usr/lib/python3/dist-packages/skorch/classifier.py", line 55, in
> NeuralNetClassifier
>      __doc__ = get_neural_net_clf_doc(NeuralNet.__doc__)
>    File "/usr/lib/python3/dist-packages/skorch/classifier.py", line 47, in
> get_neural_net_clf_doc
>      start, end = pattern.search(doc).span()
>                   ^^^^^^^^^^^^^^^^^^^^^^^^
> AttributeError: 'NoneType' object has no attribute 'span'
>
>
> -- System Information:
> Debian Release: trixie/sid
>    APT prefers unstable-debug
>    APT policy: (500, 'unstable-debug'), (500, 'testing-debug'), (500, 'unstable'), (500, 'testing'), (101, 'experimental')
> Architecture: amd64 (x86_64)
> Foreign Architectures: i386
>
> Kernel: Linux 6.12.8-amd64 (SMP w/16 CPU threads; PREEMPT)
> Kernel taint flags: TAINT_OOT_MODULE, TAINT_UNSIGNED_MODULE
> Locale: LANG=ru_RU.UTF-8, LC_CTYPE=ru_RU.UTF-8 (charmap=UTF-8), LANGUAGE not set
> Shell: /bin/sh linked to /usr/bin/dash
> Init: systemd (via /run/systemd/system)
> LSM: AppArmor: enabled
>
> Versions of packages python3-skorch depends on:
> ii  python3                             3.12.8-1
> ii  python3-numpy                       1:1.26.4+ds-12
> ii  python3-scipy                       1.14.1-3
> pn  python3-sklearn                     <none>
> pn  python3-tabulate                    <none>
> pn  python3-torch | python3-torch-cuda  <none>
> ii  python3-tqdm                        4.67.1-1
>
> python3-skorch recommends no packages.
>
> python3-skorch suggests no packages.