bug on return -1 - python coding challenges - Py.CheckiO

bug on return -1

When i try to return -1, it doesn't do it..

From: http://www.checkio.org/mission/index-power/solve/

HTTP_USER_AGENT:

Mozilla/5.0 (Windows NT 6.1; WOW64; rv:43.0) Gecko/20100101 Firefox/43.0

Created at: 2015/12/22 19:26; Updated at: 2015/12/22 20:53

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