• I have a solution that works in ...

Question related to mission Open Labyrinth

 

I have a solution that works in pycharm as well as IDLE.

But I keep getting this error: TypeError: 'NoneType' object is not iterable, check_route, 73, checkio, 105

I'm confused.

Created at: 2013/04/12 03:20; Updated at: 2014/06/01 20:18
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username724