temp py3 test

ipython · Jun 22, 2016 · 7907497 · 7907497
1 parent ec24cb3
commit 7907497
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/traitlets/traitlets.py b/traitlets/traitlets.py
@@ -939,6 +939,10 @@ def event_of(self, obj, names=None):
         """
         named = parse_notifier_name(self.trait_names)
         tagged = parse_notifier_tags(obj, self.metadata)
+        if not isinstance(named, list):
+            raise TypeError(str(type(named)))
+        if not isinstance(tagged, list):
+            raise TypeError(str(type(tagged)))
         if names is not None:
             return set(names).intersection(named + tagged)
         else: