s/delay_trait_notifications/hold_trait_notifications/

IPython/config/configurable.py

@@ -140,7 +140,7 b' class Configurable(HasTraits):'
         my_config = self._find_my_config(cfg)
         
         # hold trait notifications until after all config has been loaded
-        with self.delay_trait_notifications():
+        with self.hold_trait_notifications():
             for name, config_value in iteritems(my_config):
                 if name in traits:
                     if isinstance(config_value, LazyConfigValue):

IPython/utils/traitlets.py

@@ -576,12 +576,12 b' class HasTraits(py3compat.with_metaclass(MetaHasTraits, object)):'
         # We need to use setattr for this to trigger validation and
         # notifications.
         
-        with self.delay_trait_notifications():
+        with self.hold_trait_notifications():
             for key, value in iteritems(kw):
                 setattr(self, key, value)
     
     @contextlib.contextmanager
-    def delay_trait_notifications(self):
+    def hold_trait_notifications(self):
         """Context manager for bundling trait change notifications
         
         Use this when doing multiple trait assignments (init, config),