sty: white space

Author: satra

nipype/interfaces/ants/segmentation.py

@@ -447,6 +447,7 @@ def _format_arg(self, opt, spec, val):
             retval += ext
             return retval
         return super(ANTSCommand, self)._format_arg(opt, spec, val)
+
     def _run_interface(self, runtime):
         priors_directory = os.path.join(os.getcwd(), "priors")
         if not os.path.exists(priors_directory):