STY: Further simplification

Co-authored-by: Chris Markiewicz <[email protected]>

Author: DimitriPapadopoulos

nipype/interfaces/io.py

@@ -2367,7 +2367,7 @@ def __init__(self, input_names, **inputs):
         super().__init__(**inputs)
 
         self._input_names = ensure_list(input_names)
-        add_traits(self.inputs, list(self._input_names))
+        add_traits(self.inputs, self._input_names)
 
     def _list_outputs(self):
         """Execute this module."""