I would like to give some feedback about ...
testing module doesn't work ...
From: http://www.checkio.org/mission/flatten-dict/solve/
HTTP_USER_AGENT:
Mozilla/5.0 (Windows NT 6.1; WOW64; rv:34.0) Gecko/20100101 Firefox/34.0
Created at: 2014/12/24 19:24; Updated at: 2014/12/26 16:50
