Merge pull request #49 from SylvainCorlay/remove

Use remove rather than index + del
ipython · Jul 15, 2015 · 75d3b2a · 75d3b2a
2 parents a31012b + 60f63ae
commit 75d3b2a
Showing 1 changed file with 1 addition and 4 deletions.
diff --git a/traitlets/traitlets.py b/traitlets/traitlets.py
@@ -699,13 +699,10 @@ def _add_notifiers(self, handler, name):
 
     def _remove_notifiers(self, handler, name):
         if name in self._trait_notifiers:
-            nlist = self._trait_notifiers[name]
             try:
-                index = nlist.index(handler)
+                self._trait_notifiers[name].remove(handler)
             except ValueError:
                 pass
-            else:
-                del nlist[index]
 
     def on_trait_change(self, handler, name=None, remove=False):
         """Setup a handler to be called when a trait changes.