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-rw-r--r--Lib/functools.py1
-rw-r--r--Misc/NEWS2
2 files changed, 3 insertions, 0 deletions
diff --git a/Lib/functools.py b/Lib/functools.py
index 03de69ae16..e92a2fcd68 100644
--- a/Lib/functools.py
+++ b/Lib/functools.py
@@ -96,6 +96,7 @@ def total_ordering(cls):
def cmp_to_key(mycmp):
"""Convert a cmp= function into a key= function"""
class K(object):
+ __slots__ = ['obj']
def __init__(self, obj, *args):
self.obj = obj
def __lt__(self, other):
diff --git a/Misc/NEWS b/Misc/NEWS
index 0bf7550864..5589daf850 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -49,6 +49,8 @@ Core and Builtins
Library
-------
+- Issue #11628: cmp_to_key generated class should use __slots__
+
- Issue #5537: Fix time2isoz() and time2netscape() functions of
httplib.cookiejar for expiration year greater than 2038 on 32-bit systems.