[Python] Dispatcher.__init__() takes 1 positional argument but 2 were given

What am I doing wrong and why am I getting this error?

TOKEN_API = "1"

from aiogram import Bot, Dispatcher, types, executor

bot = Bot(token="TOKEN_API")
dp = Dispatcher(bot)

@dp.message_handler(commands=["start"])
async def send_random_letter(message : types.Message):
await message.answer("hi,print /generate_pictures, to start")


I get an error:

dp = Dispatcher(bot)
^^^^^^^^^^^^^^^
TypeError: Dispatcher.__init__() takes 1 positional argument, but 2 were given


Please help.

I only started and I don't know what to write.

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