Improve a bit the support of epub

10 jobs for master in 6 minutes and 4 seconds (queued for 5 seconds)
latest
Status Job ID Name Coverage
  Linting
passed #186524
linting:bandit

00:00:40

passed #186526
linting:codespell

00:00:38

passed #186539
linting:mypy

00:00:13

passed #186533
linting:pyflakes

00:00:38

passed #186528
linting:pylint

00:00:51

 
  Test
passed #186542
tests:archlinux

00:02:52

passed #186545
tests:debian

00:03:45

failed #186546
tests:debian_with_bubblewrap

00:03:12

passed #186550
tests:fedora

00:02:57

passed #186552
tests:gentoo

00:05:01

 
Name Stage Failure
failed
tests:debian_with_bubblewrap Test

----------------------------------------------------------------------
Ran 119 tests in 20.527s

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