fix the declaration of output variable #201
fix the declaration of output variable #201


Former-commit-id: ba81d1f2f75803a0454a5d89fd8078a802fd7620
kermitt2/grobid,kermitt2/grobid,kermitt2/grobid,kermitt2/grobid,kermitt2/grobid,kermitt2/grobid