Fix a crash affecting some mp3 files

10 jobs for master in 6 minutes and 16 seconds (queued for 8 seconds)
latest
Status Job ID Name Coverage
  Linting
passed #158585
linting:bandit

00:00:13

passed #158588
linting:codespell

00:00:11

passed #158599
linting:mypy

00:00:13

passed #158592
linting:pyflakes

00:00:12

passed #158589
linting:pylint

00:00:25

 
  Test
passed #158605
tests:archlinux

00:01:12

passed #158608
tests:debian

00:01:11

failed #158613
tests:debian_with_bubblewrap

00:01:38

passed #158618
tests:fedora

00:01:02

passed #158622
tests:gentoo

00:04:36

 
Name Stage Failure
failed
tests:debian_with_bubblewrap Test
  File "/builds/jvoisin/mat2/tests/test_libmat2.py", line 70, in test_ffmpeg_injection_complete_path
self.assertTrue(p.remove_all())
AssertionError: False is not true

----------------------------------------------------------------------
Ran 119 tests in 85.840s

FAILED (failures=4)
ERROR: Job failed: exit code 1