From 285cfccecba911531b37b8a7dde45bf07d3cf9b0 Mon Sep 17 00:00:00 2001
From: Raymond Hettinger <python@rcn.com>
Date: Tue, 18 May 2004 18:15:03 +0000
Subject: [PATCH] Make type check work with subclasses
---
Modules/collectionsmodule.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/Modules/collectionsmodule.c b/Modules/collectionsmodule.c
index e49224d83d..368f0b6ca0 100644
--- a/Modules/collectionsmodule.c
+++ b/Modules/collectionsmodule.c
@@ -587,7 +587,8 @@ deque_richcompare(PyObject *v, PyObject *w, int op)
PyObject *it1=NULL, *it2=NULL, *x, *y;
int i, b, vs, ws, minlen, cmp=-1;
- if (v->ob_type != &deque_type || w->ob_type != &deque_type) {
+ if (!PyObject_TypeCheck(v, &deque_type) ||
+ !PyObject_TypeCheck(w, &deque_type)) {
Py_INCREF(Py_NotImplemented);
return Py_NotImplemented;
}
--
2.18.1