fix: return same type of value for traits containing lists

nipy · Aug 2, 2019 · f3c3d40 · f3c3d40
1 parent 1823e31
commit f3c3d40
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/nipype/interfaces/base/traits_extension.py b/nipype/interfaces/base/traits_extension.py
@@ -502,7 +502,7 @@ def _recurse_on_path_traits(func, thistrait, value, cwd):
     elif thistrait.is_trait_type(traits.List):
         innertrait, = thistrait.inner_traits
         if not isinstance(value, (list, tuple)):
-            value = [value]
+            return _recurse_on_path_traits(func, innertrait, value, cwd)
 
         value = [_recurse_on_path_traits(func, innertrait, v, cwd)
                  for v in value]