flake8: unused variable

Author: maartenbreddels

traitlets/traitlets.py

@@ -1348,15 +1348,13 @@ def ignore(*_ignore_args):
             # notify and cross validate all trait changes that were set in kwargs
             changed = set(kwargs) & set(self._traits)
             for key in changed:
-                change = changes[key]
                 value = self._traits[key]._cross_validate(self, getattr(self, key))
                 self.set_trait(key, value)
                 changes[key].new = value
             self._cross_validation_lock = False
             # Restore method retrieval from class
             del self.notify_change
             for key in changed:
-                change = changes[key]
                 self.notify_change(changes[key])
 
         try: