Merged revisions 81414 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/trunk
........
r81414 | benjamin.peterson | 2010-05-21 15:51:45 -0500 (Fri, 21 May 2010) | 1 line
return NotImplemented from Mapping when comparing to a non-mapping #8729
........
diff --git a/Lib/_abcoll.py b/Lib/_abcoll.py
index 82ded37..3743ea8 100644
--- a/Lib/_abcoll.py
+++ b/Lib/_abcoll.py
@@ -369,8 +369,9 @@
__hash__ = None
def __eq__(self, other):
- return isinstance(other, Mapping) and \
- dict(self.items()) == dict(other.items())
+ if not isinstance(other, Mapping):
+ return NotImplemented
+ return dict(self.items()) == dict(other.items())
def __ne__(self, other):
return not (self == other)