add unicode too

bpinsard · bpinsard · commit fce449863911 · 2016-09-13T17:07:42.000-04:00
diff --git a/nipype/interfaces/traits_extension.py b/nipype/interfaces/traits_extension.py
@@ -33,7 +33,7 @@
 from traits.api import BaseUnicode
 from traits.api import Unicode
 
-DictStrStr = traits.Dict((bytes,str), (bytes, str))
+DictStrStr = traits.Dict((bytes,str,unicode), (bytes,str,unicode))
 Str = Unicode
 
 class BaseFile(BaseUnicode):
