fix end-of-lines in KellyKapowski example

Author: alexsavio

nipype/interfaces/ants/segmentation.py

@@ -1244,11 +1244,14 @@ class KellyKapowski(ANTSCommand):
     >>> kk.inputs.number_integration_points = 10
     >>> kk.inputs.thickness_prior_estimate = 10
     >>> kk.cmdline # doctest: +ALLOW_UNICODE
-    'KellyKapowski --convergence "[45,0.0,10]"
-    --output "[segmentation0_cortical_thickness.nii.gz,segmentation0_warped_white_matter.nii.gz]"
-    --image-dimensionality 3 --gradient-step 0.025000 --number-of-integration-points 10
-    --segmentation-image "[segmentation0.nii.gz,2,3]" --smoothing-variance 1.000000
-    --smoothing-velocity-field-parameter 1.500000 --thickness-prior-estimate 10.000000
+    "KellyKapowski --convergence "[45,0.0,10]" \
+    --output "[segmentation0_cortical_thickness.nii.gz,segmentation0_warped_white_matter.nii.gz]"  \
+    --image-dimensionality 3 --gradient-step 0.025000 \
+    --number-of-integration-points 10 \
+    --segmentation-image "[segmentation0.nii.gz,2,3]" \
+    --smoothing-variance 1.000000 \
+    --smoothing-velocity-field-parameter 1.500000 \
+    --thickness-prior-estimate 10.000000"
     """
     _cmd = "KellyKapowski"
     input_spec = KellyKapowskiInputSpec