Merge branch 'fix/mrtrix3-tckgen-option' of https://github.com/jguillon/nipype into fix/mrtrix3-tckgen-option

Author: jguillon

nipype/interfaces/mrtrix3/tracking.py

@@ -76,13 +76,13 @@ class TractographyInputSpec(MRTrix3BaseInputSpec):
               'is 90deg x stepsize / voxelsize)'))
     n_tracks = traits.Int(
         argstr='-number %d',
-        max_ver=0.4,
+        max_ver='0.4',
         desc=('set the desired number of tracks. The program will continue'
               ' to generate tracks until this number of tracks have been '
               'selected and written to the output file'))
     select = traits.Int(
         argstr='-select %d',
-        min_ver=3,
+        min_ver='3',
         desc=('set the desired number of tracks. The program will continue'
               ' to generate tracks until this number of tracks have been '
               'selected and written to the output file'))