from aslprep.workflows.asl.confounds import init_asl_confs_wf
wf = init_asl_confs_wf(
    name="confound_wf",
    mem_gb=1,
    metadata={"RepetitionTime": 2.0,
              "SliceTiming": [0.0, 0.1, 0.2, 0.3, 0.9, 0.5, 0.6, 0.7]},
)