Improve xlsx support

10 jobs for master in 9 minutes and 18 seconds (queued for 2 seconds)
Status Job ID Name Coverage
  Linting
passed #143013
linting:bandit

00:00:20

passed #143014
linting:codespell

00:00:18

passed #143017
linting:mypy

00:00:19

passed #143016
linting:pyflakes

00:00:18

passed #143015
linting:pylint

00:00:28

 
  Test
passed #143018
tests:archlinux

00:04:24

passed #143019
tests:debian

00:01:34

passed #143020
tests:debian_with_bubblewrap

00:03:55

100.0%
passed #143021
tests:fedora

00:04:10

passed #143022
tests:gentoo

00:08:23