# HG changeset patch
# User Kyle Lippincott <spectral@google.com>
# Date 2020-01-22 01:15:34
# Node ID 43410ec7462b399a85222870c59485e13e15e704
# Parent  00aaf11ec39993617885f24ac45c208d9db297d3

crecord: fix a concatenation of bytes and str on py3

Differential Revision: https://phab.mercurial-scm.org/D7970

diff --git a/mercurial/crecord.py b/mercurial/crecord.py
--- a/mercurial/crecord.py
+++ b/mercurial/crecord.py
@@ -24,6 +24,7 @@ from . import (
     encoding,
     error,
     patch as patchmod,
+    pycompat,
     scmutil,
     util,
 )
@@ -1113,7 +1114,7 @@ class curseschunkselector(object):
         # strip \n, and convert control characters to ^[char] representation
         text = re.sub(
             br'[\x00-\x08\x0a-\x1f]',
-            lambda m: b'^' + chr(ord(m.group()) + 64),
+            lambda m: b'^' + pycompat.sysbytes(chr(ord(m.group()) + 64)),
             text.strip(b'\n'),
         )