Fix itervalues -> values. As reported by Massimiliano Costacurta in mailing list thread "BUG: RuntimeError: dictionary changed size during iteration"

mdboom · mdboom · commit 09ca7c27fea9 · 2013-01-23T14:18:53.000-05:00
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)
 
