Improve a bit the support of epub

10 jobs for master in 9 minutes and 31 seconds (queued for 5 seconds)
latest
Status Job ID Name Coverage
  Linting
passed #188266
linting:bandit

00:00:13

passed #188267
linting:codespell

00:00:11

passed #188277
linting:mypy

00:00:13

passed #188274
linting:pyflakes

00:00:12

passed #188270
linting:pylint

00:00:20

 
  Test
passed #188280
tests:archlinux

00:01:02

passed #188284
tests:debian

00:01:38

failed #188286
tests:debian_with_bubblewrap

00:03:56

passed #188290
tests:fedora

00:05:54

passed #188296
tests:gentoo

00:04:24

 
Name Stage Failure
failed
tests:debian_with_bubblewrap Test

----------------------------------------------------------------------
Ran 119 tests in 48.365s

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