• Error with checkio function in Most Wanted Letter

 

Why do I get this error? NameError: name 'checkio' is not defined <module>, 1 in this exercise http://www.checkio.org/mission/most-wanted-letter/ ?

The function checkio is defined as can be seen in attached screenie.

Created at: April 1, 2015, 12:45 p.m.; Updated at: Nov. 30, 2016, 7:04 a.m.
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