From 43943ffc6a5b8ba0cc110052f617d00ebc5cfeca Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bj=C3=B6rn=20Gr=C3=BCning?= <bjoern@gruenings.eu>
Date: Mon, 12 Oct 2020 13:24:34 +0200
Subject: [PATCH] the byte string is also needed

---
 tools/sr_assembly/velveth_wrapper.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/sr_assembly/velveth_wrapper.py b/tools/sr_assembly/velveth_wrapper.py
index ca6c33d48b0..bccf8f2e11c 100644
--- a/tools/sr_assembly/velveth_wrapper.py
+++ b/tools/sr_assembly/velveth_wrapper.py
@@ -30,7 +30,7 @@ def __main__():
         proc = subprocess.Popen(args=cmdline, shell=True, stderr=subprocess.PIPE)
         returncode = proc.wait()
         # get stderr, allowing for case where it's very large
-        stderr = ''
+        stderr = b''
         buffsize = 1048576
         try:
             while True: