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Fixed #2079 -- Fixed bug introduced in [3070] in django.utils.datastructures
git-svn-id: http://code.djangoproject.com/svn/django/trunk@3081 bcc190cf-cafb-0310-a4f2-bffc1f526a37
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@ -124,8 +124,9 @@ class MultiValueDict(dict):
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def __copy__(self):
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return self.__class__(dict.items(self))
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def __deepcopy__(self, memo):
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def __deepcopy__(self, memo=None):
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import copy
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if memo is None: memo = {}
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result = self.__class__()
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memo[id(self)] = result
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for key, value in dict.items(self):
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