MappingView is Sized.

2eb24cb5 · Raymond Hettinger · cbe15e15 · 2eb24cb5
Commit 2eb24cb5 authored Feb 09, 2008 by Raymond Hettinger
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Lib/_abcoll.py Lib/_abcoll.py +1 -1

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--- a/Lib/_abcoll.py
+++ b/Lib/_abcoll.py
@@ -382,7 +382,7 @@ class Mapping(Sized, Iterable, Container):
        return not (self == other)


-class MappingView(metaclass=ABCMeta):
+class MappingView(Sized):

    def __init__(self, mapping):
        self._mapping = mapping