@@ -471,9 +471,7 @@ def _parse_files(self, filenames):
 for filename in filenames:
 # search for relevant files, and sort accordingly
 for fl in search_files(filename, outtypes, self.inputs.crop):
-if (
-fl.endswith((".nii", ".gz", ".nrrd", ".nhdr"))
-):
+if fl.endswith((".nii", ".gz", ".nrrd", ".nhdr")):
 outfiles.append(fl)
 elif fl.endswith(".bval"):
 bvals.append(fl)