commit 26e2ccdf8922af176f471a175d49313e4fc7875a
Author: Jarrod Johnson <jjohnson2@lenovo.com>
Date:   Mon Oct 19 12:32:41 2020 -0400

    Fix problem with older IBM equipment and python3
    
    Older IBM system path still used a python2-only operation.
    Address with a python 2/3 agnostic approach.
    
    Change-Id: I33df26a0b2311682642660a5e0893201b547fb03

diff --git a/pyghmi/ipmi/oem/lenovo/energy.py b/pyghmi/ipmi/oem/lenovo/energy.py
index dc16972..15c1b60 100644
--- a/pyghmi/ipmi/oem/lenovo/energy.py
+++ b/pyghmi/ipmi/oem/lenovo/energy.py
@@ -32,7 +32,7 @@ class EnergyManager(object):
             if ie.ipmicode == 193:  # try again with IBM IANA
                 self.iana = bytearray(b'\x4d\x4f\x00')
                 rsp = ipmicmd.xraw_command(netfn=0x2e, command=0x82,
-                                           data=self.iana + '\x00\x00\x01')
+                                           data=self.iana + b'\x00\x00\x01')
             else:
                 raise
         if rsp['data'][4:6] not in (b'\x02\x01', b'\x02\x06', b'\x02\x09'):