Improve a bit the support of epub

10 jobs for master in 3 minutes and 35 seconds (queued for 1 second)
Status Job ID Name Coverage
  Linting
passed #189652
linting:bandit

00:00:12

passed #189654
linting:codespell

00:00:11

passed #189660
linting:mypy

00:00:13

passed #189658
linting:pyflakes

00:00:11

passed #189656
linting:pylint

00:00:25

 
  Test
passed #189661
tests:archlinux

00:01:38

passed #189662
tests:debian

00:01:35

failed #189663
tests:debian_with_bubblewrap

00:00:34

passed #189664
tests:fedora

00:01:52

passed #189665
tests:gentoo

00:02:51

 
Name Stage Failure
failed
tests:debian_with_bubblewrap Test

----------------------------------------------------------------------
Ran 119 tests in 21.501s

FAILED (failures=6, errors=36)
[+] Testing pdf
[+] Testing png
Cleaning up file based variables
ERROR: Job failed: exit code 1