hi...

i want apply this script on all vm on my host but found error when start vm i put my script file in before_vm_start:

script file is called: ticket


!/usr/bin/python

import os
import sys
import hooking
import traceback

    try:
            domxml = hooking.read_domxml()
            display.setAttribute('disable-ticketing')
            hooking.write_domxml(domxml)


    except:
        sys.stderr.write('ticket: [unexpected error]: %s\n' % traceback.format_exc())
        sys.exit(2)



the error is:


hread-50::DEBUG::2014-08-18 08:15:24,502::utils::642::root::(execCmd) '/usr/libexec/vdsm/hooks/before_vm_start/ticket' (cwd None)
Thread-50::DEBUG::2014-08-18 08:15:24,522::utils::662::root::(execCmd) FAILED: <err> = '  File "/usr/libexec/vdsm/hooks/before_vm_start/ticket", line 8\n    try:\n    ^\nIndentationError: unexpected indent\n'; <rc> = 1
Thread-50::INFO::2014-08-18 08:15:24,522::hooks::100::root::(_runHooksDir)   File "/usr/libexec/vdsm/hooks/before_vm_start/ticket", line 8