Fix spacing.

Author: tsalo

niworkflows/interfaces/registration.py

@@ -15,7 +15,8 @@
 from nilearn.image import index_img
 from nipype.utils.filemanip import fname_presuffix
 from nipype.interfaces.base import (
-    traits, isdefined, TraitedSpec, BaseInterfaceInputSpec, File, SimpleInterface, InputMultiObject)
+    traits, isdefined, TraitedSpec, BaseInterfaceInputSpec, File,
+    SimpleInterface, InputMultiObject)
 from nipype.interfaces.mixins import reporting
 from nipype.interfaces import freesurfer as fs
 from nipype.interfaces import fsl, ants, afni
@@ -348,16 +349,16 @@ def _post_run_hook(self, runtime):
 
 class EstimateReferenceImageInputSpec(BaseInterfaceInputSpec):
     in_file = InputMultiObject(File(exists=True),
-                             mandatory=True,
-                             desc=('4D EPI file. If multiple files '
-                                   'are provided, they are assumed '
-                                   'to represent multiple echoes '
-                                   'from the same run.'))
+                               mandatory=True,
+                               desc=('4D EPI file. If multiple files '
+                                     'are provided, they are assumed '
+                                     'to represent multiple echoes '
+                                     'from the same run.'))
     sbref_file = InputMultiObject(File(exists=True),
-                                desc=("Single band reference image. "
-                                      "If multiple files are provided, "
-                                      "they are assumed to represent "
-                                      "multiple echoes."))
+                                  desc=("Single band reference image. "
+                                        "If multiple files are provided, "
+                                        "they are assumed to represent "
+                                        "multiple echoes."))
     mc_method = traits.Enum(
         "AFNI", "FSL", usedefault=True,
         desc="Which software to use to perform motion correction")