From 7821b4c6d29933511d50bb42255e39790c6abf00 Mon Sep 17 00:00:00 2001
From: Benjamin Peterson <benjamin@python.org>
Date: Tue, 18 Jun 2019 21:37:58 -0700
Subject: [PATCH] Fix name of '\0'. (GH-14222)

'\0' is the NUL byte not NULL.
---
 Modules/_csv.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Modules/_csv.c b/Modules/_csv.c
index 7eb9d8b796d..014cbb4e023 100644
--- a/Modules/_csv.c
+++ b/Modules/_csv.c
@@ -826,7 +826,7 @@ Reader_iternext(ReaderObj *self)
             if (c == '\0') {
                 Py_DECREF(lineobj);
                 PyErr_Format(_csvstate_global->error_obj,
-                             "line contains NULL byte");
+                             "line contains NUL");
                 goto err;
             }
             if (parse_process_char(self, c) < 0) {