According to https://blog.travis-ci.com/2019-04-15-xenial-default-build-environment Ubuntu Xenial is now default, but it lacks python 2.6, 3.2 and 3.3 support needed by tests
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Fix code style on brackets (flake8) Add more information to test info_dict
Despite visual similarity "þ" is unrelated to "p". It is normally transliterated as "th": $ echo þ-Þ | iconv -t ASCII//TRANSLIT th-TH