• Type error Unhashable type:set

 

I would like to give some feedback about ...

From: https://checkio.org/mission/break-rings/solve/

HTTP_USER_AGENT:

Mozilla/5.0 (Windows NT 6.1; WOW64; rv:48.0) Gecko/20100101 Firefox/48.0

Hi.

I receive error Type error Unhashable type:set This script is working on my PC without any errors.