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-rw-r--r--Lib/collections.py10
1 files changed, 8 insertions, 2 deletions
diff --git a/Lib/collections.py b/Lib/collections.py
index 1f1f510..79f6696 100644
--- a/Lib/collections.py
+++ b/Lib/collections.py
@@ -107,8 +107,14 @@ class OrderedDict(dict, MutableMapping):
def clear(self):
'od.clear() -> None. Remove all items from od.'
- for k in dict.keys(self):
- del self[k]
+ try:
+ for node in self.__map.itervalues():
+ del node[:]
+ self.__root[:] = [self.__root, self.__root, None]
+ self.__map.clear()
+ except AttributeError:
+ pass
+ dict.clear(self)
setdefault = MutableMapping.setdefault
update = MutableMapping.update