Сборка Трэвиса: https://travis-ci.com/Laurentiu-Andronache/he/jobs/184044676
conf.py: https://github.com/Laurentiu-Andronache/he/blob/master/docs/source/conf.py
tox.ini: https://github.com/Laurentiu-Andronache/he/blob/master/tox.ini (см. [testenv:doc8])