fix: removed list outputs and test changes

Author: mgxd

nipype/interfaces/freesurfer/preprocess.py

@@ -1536,19 +1536,6 @@ class MNIBiasCorrection(FSCommand):
     input_spec = MNIBiasCorrectionInputSpec
     output_spec = MNIBiasCorrectionOutputSpec
 
-    def _gen_filename(self):
-        # if outfile was not defined
-        if not isdefined(self.inputs.out_file):
-            return self._gen_fname(self.inputs.in_file,
-                                   suffix='_output')
-    def _list_outputs(self):
-        outputs = self._outputs().get()
-        if not isdefined(self.inputs.out_file):
-            outputs["out_file"] = self._gen_filename()
-        else:
-            outputs["out_file"] = os.path.abspath(self.inputs.out_file)
-        return outputs
-
 
 class WatershedSkullStripInputSpec(FSTraitedSpec):
     # required

nipype/interfaces/freesurfer/tests/test_preprocess.py

@@ -100,12 +100,12 @@ def test_mandatory_outvol(create_files_in_directory):
     # test with minimal args
     mni.inputs.in_file = filelist[0] 
     assert mni.cmdline == ('mri_nu_correct.mni --i %s --o %s_output.mgz'
-                           % (filelist[0], filelist[0].replace('.mgz', ''))
+                           % (filelist[0], filelist[0].replace('.mgz', '')))
 
     # test with custom outfile
     mni.inputs.out_file = 'new_corrected_file.mgz'
     assert mni.cmdline == ('mri_nu_correct.mni --i %s --o new_corrected_file.mgz'
-                           % (filelist[0])
+                           % (filelist[0]))
 
     # constructor based tests
     mni2 = freesurfer.MNIBiasCorrection(in_file=filelist[0],