From a03661c4a835a16ce8f7bf226969dbae103c62c7 Mon Sep 17 00:00:00 2001
From: Matthew Thode <mthode@mthode.org>
Date: Thu, 17 May 2018 11:10:05 -0500
Subject: [PATCH] write byte objects when using os.write

Change-Id: I184a9d0bf4a0ba0776d519b3a3b9ccd39151b4ae
Story: 2002052
Task: 19713
---
 ironic_python_agent/agent.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/ironic_python_agent/agent.py b/ironic_python_agent/agent.py
index 4ca6f7e4e..819bb91c8 100644
--- a/ironic_python_agent/agent.py
+++ b/ironic_python_agent/agent.py
@@ -146,13 +146,13 @@ class IronicPythonAgentHeartbeater(threading.Thread):
                                    self.max_delay)
 
     def force_heartbeat(self):
-        os.write(self.writer, 'b')
+        os.write(self.writer, b'b')
 
     def stop(self):
         """Stop the heartbeat thread."""
         if self.writer is not None:
             LOG.info('stopping heartbeater')
-            os.write(self.writer, 'a')
+            os.write(self.writer, b'a')
             return self.join()