def METHOD_NAME(ishell):
    """'pre_prompt_hook' used to restore the Qt4 input hook
    (in case the latter was temporarily deactivated after a
    CTRL+C)
    """
    global got_kbdint, sigint_timer
    if(sigint_timer):
        sigint_timer.cancel()
        sigint_timer = None
    if got_kbdint:
        mgr.set_inputhook(inputhook_qt4)
    got_kbdint = False