Improved example ROBEX.

Author: mfmachado

.mailmap

@@ -121,6 +121,7 @@ Kshitij Chawla <kc.insight.pi@gmail.com>
 Leonie Lampe <leonie.lampe@gmail.com>
 Lukas Snoek <lukassnoek@gmail.com>
 Marcel Falkiewicz <mfalkiewicz@gmail.com> <m.falkiewicz@nencki.gov.pl>
+Maria de Fatima Dias <mfatimamachado13@gmail.com> <fmachado@dei.uc.pt>
 Martin Perez-Guevara <mperezguevara@gmail.com>
 Mathias Goncalves <goncalves.mathias@gmail.com> <mathiasg@mit.edu>
 Mathias Goncalves <goncalves.mathias@gmail.com> <mathiasg@stanford.edu>

nipype/interfaces/robex/preprocess.py

@@ -53,7 +53,8 @@ class RobexSegment(CommandLine):
 
     Examples
     --------
-    >>> path_mr = 'structural.nii'
+    >>> path_mr, path_out, path_mask =   'structural.nii', 'structural_brain.nii', 'structural_mask.nii'
+    >>> robex = RobexSegment(in_file=path_mr, out_file=path_out, out_mask=path_mask)
     >>> robex.cmdline
     'runROBEX.sh structural.nii structural_brain.nii structural_mask.nii'
     >>> robex.run() # doctest: +SKIP