From: Nick Coghlan <ncoghlan@gmail.com>
Date: Tue, 2 Sep 2008 10:14:47 +0000 (+0000)
Subject: Issue 3747: Fix caching in ABCMeta.__subclasscheck__ (R: Georg Brandl)
X-Git-Tag: v2.6rc1~79
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=91ae3ea2b46a6e61a2112ffc0d53941a39e121ff;p=thirdparty%2FPython%2Fcpython.git

Issue 3747: Fix caching in ABCMeta.__subclasscheck__ (R: Georg Brandl)
---

diff --git a/Lib/abc.py b/Lib/abc.py
index 5e90bf5f1a2c..618a32cc7549 100644
--- a/Lib/abc.py
+++ b/Lib/abc.py
@@ -159,12 +159,12 @@ class ABCMeta(type):
         # 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)