Merge pull request #1698 from mdboom/iteritems_bug

efiring · efiring · commit 610b182d5d8d · 2013-02-16T21:31:24.000-08:00
Fix bug updating WeakKeyDictionary during iteration
diff --git a/lib/matplotlib/transforms.py b/lib/matplotlib/transforms.py
@@ -150,7 +150,7 @@ def _invalidate_internal(self, value, invalidating_node):
         if self.pass_through or status_changed:
             self._invalid = value
 
-            for parent in self._parents.itervalues():
+            for parent in self._parents.values():
                 parent._invalidate_internal(value=value,
                                             invalidating_node=self)
 
