call super

chrisgorgo · chrisgorgo · commit 08528555da11 · 2012-09-04T14:12:05.000+02:00
diff --git a/nipype/interfaces/spm/preprocess.py b/nipype/interfaces/spm/preprocess.py
@@ -411,7 +411,7 @@ def _format_arg(self, opt, spec, val):
         if opt in ['write_wrap']:
             if len(val) != 3:
                 raise ValueError('%s must have 3 elements' % opt)
-        return val
+        return super(Normalize, self)._format_arg(opt, spec, val)
 
     def _parse_inputs(self):
         """validate spm realign options if set to None ignore
