partial revert of 7f68be18f20c7f85ff24e732a4dd09a67cdaaaae
partial revert of 7f68be18f20c7f85ff24e732a4dd09a67cdaaaae

Py3.6 not ready on travis

also, update versions

fortyninemaps/karta,fortyninemaps/karta,fortyninemaps/karta