Помогите пожалуйста python aiogram

 python 
from aiogram import Bot, Dispatcher, types, executor 
from asyncio import sleep 
from aiogram.contrib.fsm_storage.memory import MemoryStorage 
from aiogram.dispatcher import FSMContext 
from aiogram.dispatcher.filters.state import State, StatesGroup 
 
bot = Bot(token='YOUR_TOKEN') 
dp = Dispatcher(bot, storage=MemoryStorage()) 
 
class GameState(StatesGroup): 
    waiting_for_choice = State() 
 
@dp.message_handler(commands=['start']) 
async def start(message: types.Message): 
    markup = types.ReplyKeyboardMarkup() 
    boba_button = types.KeyboardButton("На победу") 
    biba_button = types.KeyboardButton("На проигрыш") 
    markup.row(boba_button, biba_button) 
    await bot.send_message(message.from_user.id,f'Привет, {message.from_user.username}! Начинаем игру!') 
    await sleep(1) 
    nbalance = int(1000) 
    await bot.send_message(message.from_user.id,f'Ваш баланс: {nbalance}$') 
    await bot.send_message(message.from_user.id,"На что хотите поставить?", reply_markup=markup) 
    await GameState.waiting_for_choice.set() 
 
@dp.message_handler(state=GameState.waiting_for_choice) 
async def set_choice(message: types.Message, state: FSMContext): 
    vibor = message.text 
    if vibor == "На победу": 
        await bot.send_message(message.from_user.id, "Вы выбрали 'Победа'") 
    elif vibor == "На проигрыш": 
        await bot.send_message(message.from_user.id, "Вы выбрали 'На проигрыш'") 
    else: 
        await bot.send_message(message.from_user.id, "Неверный ввод") 
    await state.finish() 
 
if __name__ == '__main__': 
    executor.start_polling(dp, skip_updates=True)