FIX: Check exit code from subprocess
FIX: Check exit code from subprocess

poldracklab/fmriprep,oesteban/preprocessing-workflow,poldracklab/fmriprep,oesteban/fmriprep,oesteban/fmriprep,oesteban/preprocessing-workflow,poldracklab/preprocessing-workflow,poldracklab/preprocessing-workflow,oesteban/fmriprep,poldracklab/fmriprep