fix doc and expose undump

Author: salma1601

nipype/interfaces/afni/__init__.py

@@ -23,6 +23,7 @@
                     Bucket, Calc, Cat, CatMatvec, Copy, Dot,
                     Edge3, Eval, FWHMx, MaskTool, Merge, Notes, NwarpApply,
                     OneDToolPy,
-                    Refit, Resample, TCat, TCatSubBrick, TStat, To3D, Unifize, ZCutUp, GCOR,
+                    Refit, Resample, TCat, TCatSubBrick, TStat, To3D, Unifize,
+                    Undump, ZCutUp, GCOR,
                     Zcat, Zeropad)
 from .model import (Deconvolve, Remlfit)

nipype/interfaces/afni/utils.py

@@ -2050,7 +2050,7 @@ class Undump(AFNICommand):
     >>> unndump.inputs.in_file = 'structural.nii'
     >>> unndump.inputs.out_file = 'structural_undumped.nii'
     >>> unndump.cmdline  # doctest: +ALLOW_UNICODE
-    '3dUnifize -prefix structural_unifized.nii -master structural.nii'
+    '3dUndump -prefix structural_undumped.nii -master structural.nii'
     >>> res = unndump.run()  # doctest: +SKIP
 
     """