From 33794a7bc79d0feb8e7fa109438197b2cf398880 Mon Sep 17 00:00:00 2001 From: Nick Coghlan Date: Tue, 2 Sep 2008 10:43:28 +0000 Subject: [PATCH] Merged revisions 66144 via svnmerge from svn+ssh://pythondev@svn.python.org/python/trunk ........ r66144 | nick.coghlan | 2008-09-02 20:14:47 +1000 (Tue, 02 Sep 2008) | 1 line Issue 3747: Fix caching in ABCMeta.__subclasscheck__ (R: Georg Brandl) ........ --- Lib/abc.py | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/Lib/abc.py b/Lib/abc.py index 05ac7e451f8..8cfb54a0d3a 100644 --- a/Lib/abc.py +++ b/Lib/abc.py @@ -159,12 +159,12 @@ def __subclasscheck__(cls, subclass): # Check if it's a subclass of a registered class (recursive) for rcls in cls._abc_registry: if issubclass(subclass, rcls): - cls._abc_registry.add(subclass) + cls._abc_cache.add(subclass) return True # Check if it's a subclass of a subclass (recursive) for scls in cls.__subclasses__(): if issubclass(subclass, scls): - cls._abc_registry.add(subclass) + cls._abc_cache.add(subclass) return True # No dice; update negative cache cls._abc_negative_cache.add(subclass)