Fix test failures with Python 3.12.0a6 (!237) · Merge requests · HepMC / HepMC3 · GitLab

Mattias Ellert requested to merge ellert/HepMC3:python-3.12 into master Mar 13, 2023

Fix backported from: https://github.com/pybind/pybind11/pull/4168
Fixes: https://bugzilla.redhat.com/show_bug.cgi?id=2177652