[FIX] use correct arguments for merging distortion groups (#831)

use correct arguments for merging distortion groups

qsiprep/workflows/base.py

@@ -301,8 +301,7 @@ def init_single_subject_wf(subject_id: str):
         merging_group_workflows = {}
         for merged_group in merged_group_names:
             merging_group_workflows[merged_group] = init_distortion_group_merge_wf(
-                template=config.workflow.anatomical_template,
-                output_prefix=merged_group,
+                merging_strategy=config.workflow.distortion_group_merge,
                 source_file=merged_group + "_dwi.nii.gz",
                 inputs_list=merged_to_subgroups[merged_group],
                 name=merged_group.replace("-", "_") + "_final_merge_wf",

qsiprep/workflows/dwi/distortion_group_merge.py

@@ -32,6 +32,7 @@ def init_distortion_group_merge_wf(
     merging_strategy,
     inputs_list,
     source_file,
+    name,
 ) -> Workflow:
     """Create an unbiased intramodal template for a subject. This aligns the b=0 references
     from all the scans of a subject. Can be rigid, affine or nonlinear (BSplineSyN).
@@ -81,7 +82,7 @@ def init_distortion_group_merge_wf(
         The interactive report data
     """
 
-    workflow = Workflow(name="distortion_group_merge_wf")
+    workflow = Workflow(name=name)
     source_file = "dwi/" + source_file
     sanitized_inputs = [name.replace("-", "_") for name in inputs_list]
     input_names = ["t1_brain", "t1_mask", "t1_seg"]
@@ -164,7 +165,6 @@ def init_distortion_group_merge_wf(
         distortion_merger = pe.Node(MergeDWIs(), name="distortion_merger")
     b0_ref_wf = init_dwi_reference_wf(
         name="merged_b0_ref",
-        register_t1=False,
         gen_report=True,
         source_file=source_file,
     )