see https://github.com/adobe-type-tools/afdko/issues/682 this should change here https://github.com/typesupply/ufo2fdk/blob/master/Lib/ufo2fdk/makeotfParts.py
see adobe-type-tools/afdko#682
this should change here https://github.com/typesupply/ufo2fdk/blob/master/Lib/ufo2fdk/makeotfParts.py