Bug#1112370: trollimage autopkg tests fail with pillow 11.3

[Matthias Klose]

Package: src:pycoast
Version: 1.26.0-1
Severity: serious
Tags: sid forky

trollimage autopkg tests fail with pillow 11.3, see
https://ci.debian.net/packages/t/trollimage/testing/amd64/63881735/

[...]
  70s =========================== short test summary info 
============================
  70s SKIPPED [1] 
../../../../../usr/lib/python3/dist-packages/_pytest/unittest.py:385: no 
display
  70s FAILED tests/test_image.py::TestXRImage::test_rgb_save - 
DeprecationWarning: ...
  70s FAILED 
tests/test_image.py::TestXRImage::test_save_single_band_jpeg - Depreca...
  70s FAILED tests/test_image.py::TestXRImage::test_save_single_band_png 
- Deprecat...
  70s FAILED tests/test_image.py::TestXRImage::test_save_palettes - 
DeprecationWarn...
  70s ============ 4 failed, 295 passed, 1 skipped, 3 deselected in 
6.22s ============
  70s E: pybuild pybuild:389: test: plugin pyproject failed with: exit 
code=1: cd /tmp/autopkgtest-lxc.tk11u0q8/downtmp/autopkgtest_tmp/build; 
python3.13 -m pytest -k "not test_gamma_per_channel" --pyargs trollimage
  70s pybuild-autopkgtest: error: pybuild --autopkgtest --test-pytest -i 
python{version} -p 3.13 returned exit code 13
  70s make: *** [/tmp/DYIRANCCZy/run:4: pybuild-autopkgtest] Error 25