Issue #11628: cmp_to_key should use __slots__.
diff --git a/Lib/functools.py b/Lib/functools.py
index fdc9c79..3bffbac 100644
--- a/Lib/functools.py
+++ b/Lib/functools.py
@@ -96,6 +96,7 @@
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 76b42b8..b9751b7 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -84,6 +84,8 @@
- Issue #11371: Mark getopt error messages as localizable. Patch by Filip
Gruszczyński.
+- 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.