REF: updated batch_processing
REF: updated batch_processing

Former-commit-id: c8194269408af68aa9ba9eb76a987f8ac0fa5d44
Former-commit-id: 6b73241f567cbcdfd352c9fb01fa5c24457f4ef1
3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox