BUG: fixed bug on method calling
BUG: fixed bug on method calling

Former-commit-id: a354d16c34ffb652a4574edc05f5851b8ea23d9c [formerly 1d6e4b547808a06e09f5c77d0775369aced96fb1]
Former-commit-id: 8ab3131c9f761eb82beaff52f727dcb7f17542d9
Former-commit-id: 3fe2de6a3a17fc6960138cce1a095eb3d89e8844
neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox