From 1e7217de49d06130bb7a68c1d21868f9ad85cd2f Mon Sep 17 00:00:00 2001
From: Georg Brandl <georg@python.org>
Date: Fri, 30 May 2008 12:02:38 +0000
Subject: [PATCH] Don't return the same object from trivial replace() cases --
 it is guaranteed to return a new bytearray.

---
 Objects/bytearrayobject.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/Objects/bytearrayobject.c b/Objects/bytearrayobject.c
index 744e6a9ef2..1442c72732 100644
--- a/Objects/bytearrayobject.c
+++ b/Objects/bytearrayobject.c
@@ -1459,10 +1459,7 @@ done:
 Py_LOCAL(PyByteArrayObject *)
 return_self(PyByteArrayObject *self)
 {
-    if (PyByteArray_CheckExact(self)) {
-        Py_INCREF(self);
-        return (PyByteArrayObject *)self;
-    }
+    /* always return a new bytearray */
     return (PyByteArrayObject *)PyByteArray_FromStringAndSize(
             PyByteArray_AS_STRING(self),
             PyByteArray_GET_SIZE(self));
-- 
2.40.0