From 7ceb84cfe7bcf29934ccdd087b0c9623fdc1bdf9 Mon Sep 17 00:00:00 2001
From: Benjamin Peterson <benjamin@python.org>
Date: Tue, 18 Jun 2019 21:37:58 -0700
Subject: [PATCH] [2.7] Fix name of '\0'. (GH-14222)

'\0' is the NUL byte not NULL..
(cherry picked from commit 7821b4c6d29933511d50bb42255e39790c6abf00)

Co-authored-by: Benjamin Peterson <benjamin@python.org>
---
 Modules/_csv.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Modules/_csv.c b/Modules/_csv.c
index 88e3e9065842e8..a54e74ecc3ff17 100644
--- a/Modules/_csv.c
+++ b/Modules/_csv.c
@@ -818,7 +818,7 @@ Reader_iternext(ReaderObj *self)
             if (c == '\0') {
                 Py_DECREF(lineobj);
                 PyErr_Format(error_obj,
-                             "line contains NULL byte");
+                             "line contains NUL");
                 goto err;
             }
             if (parse_process_char(self, c) < 0) {