traits mandatory=False is incorrect; ignore unicode in doctests

Author: Shoshana Berleant

nipype/algorithms/confounds.py

@@ -281,10 +281,10 @@ def _list_outputs(self):
 class CompCorInputSpec(BaseInterfaceInputSpec):
     realigned_file = File(exists=True, mandatory=True,
                           desc='already realigned brain image (4D)')
-    mask_file = File(exists=True, mandatory=False,
+    mask_file = File(exists=True,
                      desc='mask file that determines ROI (3D)')
     components_file = File('components_file.txt', exists=False,
-                           mandatory=False, usedefault=True,
+                           usedefault=True,
                            desc='filename to store physiological components')
     num_components = traits.Int(6, usedefault=True) # 6 for BOLD, 4 for ASL
     use_regress_poly = traits.Bool(True, usedefault=True,

nipype/interfaces/ants/resampling.py

@@ -296,7 +296,7 @@ class ApplyTransforms(ANTSCommand):
     >>> at1.inputs.default_value = 0
     >>> at1.inputs.transforms = ['ants_Warp.nii.gz', 'trans.mat']
     >>> at1.inputs.invert_transform_flags = [False, False]
-    >>> at1.cmdline
+    >>> at1.cmdline # doctest: +IGNORE_UNICODE
     'antsApplyTransforms --default-value 0 --dimensionality 3 --input moving1.nii --interpolation BSpline[ 5 ] \
 --output deformed_moving1.nii --reference-image fixed1.nii --transform [ ants_Warp.nii.gz, 0 ] \
 --transform [ trans.mat, 0 ]'
@@ -310,7 +310,7 @@ class ApplyTransforms(ANTSCommand):
     >>> atid.inputs.interpolation_parameters = (5,)
     >>> atid.inputs.default_value = 0
     >>> atid.inputs.transforms = 'identity'
-    >>> atid.cmdline
+    >>> atid.cmdline # doctest: +IGNORE_UNICODE
     'antsApplyTransforms --default-value 0 --dimensionality 3 --input moving1.nii \
 --interpolation BSpline[ 5 ] --output deformed_moving1.nii --reference-image fixed1.nii \
 --transform identity'