three space indent

nago@fedora ~/s/cici (devel)> make check-dev
ACTIVATE .dev-venv
make[1]: Entering directory '/home/nago/src/cici'
JOB ID     : 9fee7d3ec98a4d275394854f3b76c330c4aea4e9
JOB LOG    : /home/nago/avocado/job-results/job-2024-07-10T16.04-9fee7d3/job.log
 (4/5) tests/mypy.sh: STARTED
 (2/5) tests/flake8.sh: STARTED
 (3/5) tests/isort.sh: STARTED
 (1/5) tests/black.sh: STARTED
 (5/5) tests/pylint.sh: STARTED
 (3/5) tests/isort.sh: PASS (0.10 s)
 (2/5) tests/flake8.sh: PASS (0.21 s)
 (1/5) tests/black.sh: PASS (0.23 s)
 (4/5) tests/mypy.sh: PASS (0.40 s)
 (5/5) tests/pylint.sh: PASS (2.47 s)
RESULTS    : PASS 5 | ERROR 0 | FAIL 0 | SKIP 0 | WARN 0 | INTERRUPT 0 | CANCEL 0
JOB TIME   : 2.99 s
make[1]: Leaving directory '/home/nago/src/cici'