From 3863abb921eb1ae7b457df653681c058b61cfe1d Mon Sep 17 00:00:00 2001
From: Guido van Rossum <guido@python.org>
Date: Wed, 11 Sep 1996 23:31:07 +0000
Subject: [PATCH] Correct typo: return -1 for error, not NULL

---
 Modules/flmodule.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Modules/flmodule.c b/Modules/flmodule.c
index f1dc634442b..b224ca2fcb8 100644
--- a/Modules/flmodule.c
+++ b/Modules/flmodule.c
@@ -1902,7 +1902,7 @@ form_setattr(f, name, v)
 
 	if (v == NULL) {
 		err_setstr(TypeError, "can't delete form attributes");
-		return 0;
+		return -1;
 	}
 
 	return setmember((char *)f->ob_form, form_memberlist, name, v);