I don't mean to trash anything, these are known bugs (there are lots of them issued there: https://bugs.launchpad.net/dateutil https://bugs.launchpad.net/dateut

I don't mean to trash anything, these are known bugs (there are lots of them issued there: https://bugs.launchpad.net/dateutil https://bugs.launchpad.net/dateutil). It seems that dateutil has just not been receiving much love from its developers lately.