`test_set_montage_artinis_basic` fails on Python 3.14

[sarahec]

Description of the problem

Test failure while building on Python 3.14 (Darwin and Linux).

Steps to reproduce

n/a

Link to data

No response

Expected results

The test should pass (it's fine on Python 3.13)

Actual results

________________________ test_set_montage_artinis_basic ________________________
mne/channels/tests/test_standard_montage.py:296: in test_set_montage_artinis_basic
    raw.set_montage("artinis-brite23")
<decorator-gen-22>:12: in set_montage
    ???
mne/_fiff/meas_info.py:429: in set_montage
    _set_montage(info, montage, match_case, match_alias, on_missing)
mne/channels/montage.py:1407: in _set_montage
    _set_montage_fnirs(info, mnt_head)
mne/channels/montage.py:1166: in _set_montage_fnirs
    source_pos = montage.dig[montage.ch_names.index(source) + num_ficiduals]["r"]
                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
E   ValueError: list.index(x): x not in list

During handling of the above exception, another exception occurred:
mne/channels/tests/test_standard_montage.py:295: in test_set_montage_artinis_basic
    with pytest.raises(ValueError, match="is not in list"):

Additional information

nixos/nix-darwin
nixpkgs-unstable branch

[welcome]

Hello! 👋 Thanks for opening your first issue here! ❤️ We will try to get back to you soon. 🚴

[larsoner]

Makes sense! Working on a fix now. Once it's in can you use a pinned version of main from GitHub or would it help for us to cut a 1.11.1?

[drammock]

This is pretty clearly just an error message change from py 3.13 to 3.14:

$ uv venv --python 3.14
Using CPython 3.14.2
Creating virtual environment at: .venv
Activate with: source .venv/bin/activate
$ source .venv/bin/activate
(foo) $ python -c "[1,2,3].index(4)"
Traceback (most recent call last):
  File "<python-input-0>", line 1, in <module>
    [1,2,3].index(4)
    ~~~~~~~~~~~~~^^^
ValueError: list.index(x): x not in list
(foo) $ deactivate
$ rm -r .venv
$ uv venv --python 3.13
Using CPython 3.13.1
Creating virtual environment at: .venv
Activate with: source .venv/bin/activate
$ source .venv/bin/activate
(foo) $ python -c "[1,2,3].index(4)"
Traceback (most recent call last):
  File "<string>", line 1, in <module>
    [1,2,3].index(4)
    ~~~~~~~~~~~~~^^^
ValueError: 4 is not in list

[sarahec]

Makes sense! Working on a fix now. Once it's in can you use a pinned version of main from GitHub or would it help for us to cut a 1.11.1?

We can go either way. We'll probably wait for your next regular release and pick it up then.