Very often the test `bob.measure.test_script.test_hist_legends` get stuck in the nightlies build no matter the platform. Check: - https://gitlab.idiap.ch/bob/bob.nightlies/-/jobs/150561 - https://gitlab.idiap.ch/bob/bob.nightlies/-/jobs/150497 - https://gitlab.idiap.ch/bob/bob.nightlies/-/jobs/150312