OPT: convert to int (to avoid potential problems...)
OPT: convert to int (to avoid potential problems...)

Former-commit-id: fce15a192f99b6d5020bb9e0ba8661df810d71f9 [formerly 428ac62762c545062eaa3de05104c684cfb74869]
Former-commit-id: 58fc01ba10d7142852fb76f6f29dff2b10ff35a0
Former-commit-id: 15a85fc30322f5bea72dab1ff398c7eff4e5a482
neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox