Merge branch 'master' of https://github.com/nipy/nipype.git

Author: chrisgorgo

nipype/interfaces/camino/dti.py

@@ -8,7 +8,8 @@
 """
 from nipype.interfaces.base import (CommandLineInputSpec, CommandLine, traits,
                                     TraitedSpec, File, StdOutCommandLine,
-                                    StdOutCommandLineInputSpec, isdefined)
+                                    StdOutCommandLineInputSpec, isdefined,
+                                    InputMultiPath)
 from nipype.utils.filemanip import split_filename
 import os
 
@@ -337,7 +338,7 @@ class PicoPDFsInputSpec(StdOutCommandLineInputSpec):
     inputmodel = traits.Enum('dt', 'multitensor', 'pds',
         argstr='-inputmodel %s', position=2, desc='input model type', usedefault=True)
 
-    luts = traits.List(File(exists=True), argstr='-luts %s', minlen=1, maxlen=3, mandatory=True,
+    luts = InputMultiPath(File(exists=True), argstr='-luts %s', mandatory=True,
         desc='Files containing the lookup tables.'\
         'For tensor data, one lut must be specified for each type of inversion used in the image (one-tensor, two-tensor, three-tensor).'\
         'For pds, the number of LUTs must match -numpds (it is acceptable to use the same LUT several times - see example, above).'\