[this bug is NOT targeted to the upcoming trixie release]

Note, that lxml also needs to be built with libxml 2.14.x from experimental.

[...]
79s python3.13 -m pytest
  80s ============================= test session starts
==============================
  80s platform linux -- Python 3.13.3, pytest-8.3.5, pluggy-1.5.0
  80s rootdir: /tmp/autopkgtest.V306QQ/autopkgtest_tmp
  80s plugins: typeguard-4.4.2
  80s collected 19 items
  80s
  80s tests/test_macos.py F
       [  5%]
  80s tests/test_parser.py ...
       [ 21%]
  80s tests/test_serializer_ahk.py ...
       [ 36%]
  80s tests/test_serializer_keylayout.py ...
       [ 52%]
  80s tests/test_serializer_klc.py ......
       [ 84%]
  80s tests/test_serializer_xkb.py ...
       [100%]
  80s
  80s =================================== FAILURES
===================================
  80s _______________________________ test_keylayouts