After the core-updates merge (specifically after the bump to python 3.10, I would guess) quodlibet's testsuite has one failing test and therefore the package fails to build:
=================================== FAILURES ===================================
_______________________ TCoverManager.test_invalid_glob ________________________
tests/test_util_cover.py:111: in test_invalid_glob
os.path.abspath(self._find_cover(self.song).name), f)
E AttributeError: 'NoneType' object has no attribute 'name'
=========================== short test summary info ============================
FAILED tests/test_util_cover.py::TCoverManager::test_invalid_glob - Attribute...
===== 1 failed, 3257 passed, 53 skipped, 139 warnings in 90.85s (0:01:30) ======
Full build log is attached.
$ guix describe
Generation 19 May 01 2023 08:59:02 (current)
guix 0c6a7e1
repository URL: https://git.savannah.gnu.org/git/guix.git
branch: master
commit: 0c6a7e1045cbd06336ef3699734a803a2e4038e5
gj1mb1y5bchcq9pm4rsh7x8pyq0fs3-quodlibet-4.5.0.drv.gz
Description: application/gzip
