Fix connect.

Author: zhifangy

fmriprep/workflows/bold/resampling.py

@@ -151,7 +151,7 @@ def select_target(subject_id, space):
             (inputnode, medial_nans, [('subjects_dir', 'subjects_dir')]),
             (sampler, medial_nans, [('out_file', 'in_file')]),
             (targets, medial_nans, [('out', 'target_subject')]),
-            (medial_nans, merger, [('out', 'in1')]),
+            (medial_nans, merger, [('out_file', 'in1')]),
         ])
     else:
         workflow.connect(sampler, 'out_file', merger, 'in1')