Merge branch 'pylint-fixes' into 'master'

ci: pylint, flake8, mypy

See merge request !138
10 jobs from master in 1 minute and 50 seconds (queued for 4 seconds)
Status Job ID Name Coverage
  Test
passed #185947
docker linux amd64
test:augeas

00:01:01

passed #185953
docker linux amd64
test:comparative:kresd

00:01:49

passed #185948
docker linux amd64
test:flake8

00:00:47

passed #185954
docker linux amd64
test:latest:kresd

00:01:33

passed #185949
docker linux amd64
test:mypy

00:00:56

passed #185950
docker linux amd64
test:pylint

00:00:46

passed #185951
docker linux amd64
test:rplint

00:00:51

passed #185956
docker linux amd64
test:sanity:pdnsrecursor

00:00:56

passed #185955
docker linux amd64
test:sanity:unbound

00:00:57

passed #185952
docker linux amd64
test:unittests

00:00:45