[Python] Intrologin.py

Hello, i have problem in my intrologin.py.

Code:

       for i in range(1,5):
            self.accountssave[i-1].SetEvent(lambda arg=i: self.SaveAccount(arg))
            self.accountsload[i-1].SetEvent(lambda arg=i: self.LoadAccount(arg))
            self.accountsdelete[i-1].SetEvent(lambda arg=i: self.DeleteAccount(arg))

When i put this lines then dont work keyboard in select character(ENTER,ESC,DARTS)
Please do you know what is wrong? Because when i comented or delete this lines keyboard work. PLEASE HELP ME.

Thank you.

PS: Sorry for my terrible English.