Comment 4 for bug 1180293

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Simon Pasquier (simon-pasquier) wrote :

It doesn't work with my original description because Fn::GetAtt returns None and it now fails on Fn::Join. Not sure if converting none object to empty string is the right approach though?

BTW it might be not be a bad idea to check in resolve_join() that all elements of the list are strings and raise an exception if not (right now the error message is not super obvious).