From bfd061218b153f1d30b6bd344e947b4ae0fd49a5 Mon Sep 17 00:00:00 2001
From: Raymond Hettinger <python@rcn.com>
Date: Sat, 9 Feb 2008 10:04:32 +0000
Subject: MappingView is Sized.

---
 Lib/_abcoll.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Lib/_abcoll.py b/Lib/_abcoll.py
index c241a95..cc4c442 100644
--- 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
-- 
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