From: Benjamin Peterson <benjamin@python.org>
Date: Sat, 9 May 2009 16:51:51 +0000 (+0000)
Subject: ignore classic classes
X-Git-Tag: v2.7a1~1229
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=3f3d36bd035ca34f52a46e9bb8ad39fa6d7687b9;p=python

ignore classic classes
---

diff --git a/Objects/abstract.c b/Objects/abstract.c
index c2d8db71fd..99b22db71b 100644
--- a/Objects/abstract.c
+++ b/Objects/abstract.c
@@ -107,6 +107,8 @@ _PyObject_LengthHint(PyObject *o, Py_ssize_t defaultvalue)
 		PyErr_Clear();
 	}
 
+	if (PyInstance_Check(o))
+		return defaultvalue;
 	/* try o.__length_hint__() */
         hintmeth = _PyObject_LookupSpecial(o, "__length_hint__", &hintstrobj);
 	if (hintmeth == NULL)