Python Kod Sonlanmıyor

selamlar, python bilgim pek yok. kodum iyi çalışıyor ama keypress kısmında takılı kalıyor ve işlemi bitirmiyor.çok inceledim ama yapamadım.
kodun neresi hatalı?

import ctypes
import time
import os


import mysql.connector

mydb = mysql.connector.connect(user='root', password='pass',
host='127.0.0.1',
database='client')
mycursor = mydb.cursor()

mycursor.execute("SELECT * FROM user")

myresult = mycursor.fetchone()

sure = myresult[2]
poz = myresult[4]
bat = myresult[3]



os.system(bat)

mycursor.close()
mydb.close()
SendInput = ctypes.windll.user32.SendInput

# C struct redefinitions 
PUL = ctypes.POINTER(ctypes.c_ulong)
classKeyBdInput(ctypes.Structure):
    _fields_ = [("wVk", ctypes.c_ushort),
                ("wScan", ctypes.c_ushort),
                ("dwFlags", ctypes.c_ulong),
                ("time", ctypes.c_ulong),
                ("dwExtraInfo", PUL)]

classHardwareInput(ctypes.Structure):
    _fields_ = [("uMsg", ctypes.c_ulong),
                ("wParamL", ctypes.c_short),
                ("wParamH", ctypes.c_ushort)]

classMouseInput(ctypes.Structure):
    _fields_ = [("dx", ctypes.c_long),
                ("dy", ctypes.c_long),
                ("mouseData", ctypes.c_ulong),
                ("dwFlags", ctypes.c_ulong),
                ("time",ctypes.c_ulong),
                ("dwExtraInfo", PUL)]

classInput_I(ctypes.Union):
    _fields_ = [("ki", KeyBdInput),
                ("mi", MouseInput),
                 ("hi", HardwareInput)]

classInput(ctypes.Structure):
    _fields_ = [("type", ctypes.c_ulong),
                ("ii", Input_I)]

# Actuals Functions

defPressKey(hexKeyCode):
    extra = ctypes.c_ulong(0)
    ii_ = Input_I()
    ii_.ki = KeyBdInput( 0, hexKeyCode, 0x0008, 0, ctypes.pointer(extra) )
    x = Input( ctypes.c_ulong(1), ii_ )
    ctypes.windll.user32.SendInput(1, ctypes.pointer(x), ctypes.sizeof(x))

defReleaseKey(hexKeyCode):
    extra = ctypes.c_ulong(0)
    ii_ = Input_I()
    ii_.ki = KeyBdInput( 0, hexKeyCode, 0x0008 | 0x0002, 0, ctypes.pointer(extra) )
    x = Input( ctypes.c_ulong(1), ii_ )
    ctypes.windll.user32.SendInput(1, ctypes.pointer(x), ctypes.sizeof(x))

# directx scan codes http://www.gamespp.com/directx/directInputKeyboardScanCodes.html

    PressKey(0x11)
    time.sleep(30)
    PressKey(0x11)
    PressKey(0x18)
    PressKey(0x31)
    PressKey(0x26)
    time.sleep(10)
    PressKey(0xC7)
    ReleaseKey(0x11)
    ReleaseKey(0x11)
    PressKey(0x11)
PressKey(0x11)
#time.sleep(2)
time.sleep(15)
PressKey(0x26)
time.sleep(0.100)
ReleaseKey(0x26)
PressKey(0x26)
time.sleep(0.100)
ReleaseKey(0x26)
PressKey(0x26)

#os.system("TASKKILL /F /IM \"dam.exe\"")

exit()

Yardimci olabilirim