Revert "fix previous commit"
Revert "fix previous commit"

This reverts commit f02a48aa8f2c50147adc3b0cf6fb3a746337cd56.

rsennrich/nematus,EdinburghNLP/nematus,EdinburghNLP/nematus,EdinburghNLP/nematus,EdinburghNLP/nematus,EdinburghNLP/nematus,EdinburghNLP/nematus,rsennrich/nematus,rsennrich/nematus,rsennrich/nematus,rsennrich/nematus,rsennrich/nematus