Description of problem:

fence_apc_snmp crash

Version-Release number of selected component (if applicable):
4.0.24-6.fc26

How reproducible:
just try to get status of outlet `fence_apc_snmp --ip=192.168.2.2 --snmp-version=2c --community=private --plug=8 --action=status`

Steps to Reproduce:
1.
2.
3.

Actual results:
Traceback (most recent call last):
      File "./fence_apc_snmp.py", line 224, in <module>
        main()
      File "./fence_apc_snmp.py", line 220, in main
        result = fence_action(FencingSnmp(options), options, set_power_status, get_power_status, get_outlets_status)
      File "/usr/share/fence/fencing.py", line 780, in fence_action
        outlets = get_outlet_list(connection, options)
      File "./fence_apc_snmp.py", line 172, in get_outlets_status
        apc_set_device(conn)
      File "./fence_apc_snmp.py", line 114, in apc_set_device
        apc_type = conn.walk(OID_SYS_OBJECT_ID)
      File "/usr/share/fence/fencing_snmp.py", line 132, in walk
        output = self.run_command(cmd, additional_timemout).splitlines()
      File "/usr/share/fence/fencing_snmp.py", line 100, in run_command
        if (res_code != 0) or (re.search("^Error ", res_output, re.MULTILINE) != None):
      File "/usr/lib64/python3.6/re.py", line 182, in search
        return _compile(pattern, flags).search(string)
    TypeError: cannot use a string pattern on a bytes-like object

Expected results:
Status: OFF/ON

Additional info:
I alredy fixed this, check my pull request https://github.com/ClusterLabs/fence-agents/pull/133