REF: removed useless import
REF: removed useless import

Former-commit-id: deedff747449574551819e90349a0c6254cbfade
Former-commit-id: b7a07851f72ab4bdb34b73c76e9e2dd7bf03878b
3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox