Modified tpattern input to allow for strings (paths) and not just the standard acquisition patterns

Author: pintohutch

nipype/interfaces/afni/preprocess.py

@@ -114,11 +114,6 @@ class TShiftInputSpec(AFNICommandInputSpec):
     tpattern = traits.Str(desc='use specified slice time pattern rather than one in header',
                                     argstr='-tpattern %s')
 
-#   tpattern = traits.Enum(('alt+z', 'alt+z2', 'alt-z',
-#                           'alt-z2', 'seq+z', 'seq-z'),
-#                          desc='use specified slice time pattern rather than one in header',
-#                          argstr='-tpattern %s')
-
     rlt = traits.Bool(desc='Before shifting, remove the mean and linear trend',
                       argstr="-rlt")