[FIX] Fix 3dUnifize outputs.

[chrisgorgo]

No description provided.

[codecov-io]

Codecov Report

Merging #2025 into master will decrease coverage by <.01%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #2025      +/-   ##
==========================================
- Coverage    72.2%   72.19%   -0.01%     
==========================================
  Files        1132     1132              
  Lines       57023    57012      -11     
  Branches     8165     8162       -3     
==========================================
- Hits        41173    41161      -12     
- Misses      14566    14567       +1     
  Partials     1284     1284

Flag	Coverage Δ
#smoketests	72.19% <ø> (-0.01%)	⬇️
#unittests	69.79% <ø> (-0.01%)	⬇️

Impacted Files	Coverage Δ
nipype/interfaces/afni/utils.py	76.9% <ø> (ø)	⬆️
nipype/pipeline/engine/nodes.py	84.66% <0%> (-0.22%)	⬇️
...terfaces/ants/tests/test_auto_AffineInitializer.py	85.71% <0%> (ø)	⬆️
nipype/interfaces/freesurfer/preprocess.py	65.16% <0%> (ø)	⬆️
nipype/pipeline/engine/tests/test_engine.py	93.54% <0%> (+0.02%)	⬆️

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[oesteban]

LGTM