BUG: check_dependencies: fixed issue #798
BUG: check_dependencies: fixed issue #798

Former-commit-id: 712be1bc6355ac3164edf7af96e95b83d12b0798
Former-commit-id: dded89c7904641ad20b5df20a01fdc017bb19aff
3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox