TypeError: set_metawallet() takes 2 positional arguments but 3 were given. What to do?

Question

Python

main code:

import logging
from aiogram import Bot, Dispatcher, executor, types
import markups as nav
from db import Database

TOKEN = "5103821559:AAGL20hGYw8wUvBdu7u_vNeUQlhVxjmQIQs"

logging.basicConfig(level=logging.INFO)

bot = Bot(token=TOKEN)
dp = Dispatcher(bot)

db = Database('database.db')

@dp.message_handler(commands=['start'])
async def start(message: types.Message):
    if(not db.user_exists(message.from_user.id)):
        db.add_user(message.from_user.id)
        await bot.send_message(message.from_user.id, "Укажите имя пользователя твиттера")
    else:
        await bot.send_message(message.from_user.id, "Вы уже зарегистрированы!", reply_markup=nav.mainMenu)


@dp.message_handler()
async def bot_message(message: types.Message):
    if message.chat.type == 'private':
        if message.text == 'ПРОФИЛЬ':
            user_nickname = "Ваш ник: " + db.get_nickname(message.from_user.id)
            await bot.send_message(message.from_user.id, user_nickname)

        elif message.text == 'НАСТРОЙКИ':
            await bot.send_message(message.from_user.id, "НАСТРОЙКИ")

        else:
            if db.get_signup(message.from_user.id) == "setnickname":
                if not '@' in message.text:
                     await bot.send_message(message.from_user.id, 'Введите имя пользователя начиная с "@"')
                elif(len(message.text) > 51):
                    await bot.send_message(message.from_user.id, "Никнейм не должен превышать 50 символов")
                else:
                    db.set_metawallet(message.from_user.id, message.text)
                    db.set_signup(message.from_user.id, "done")
                    await bot.send_message(message.from_user.id, "Регистрация прошла успешно! Нажмите на кнопку 'НАСТРОЙКИ', чтобы закончить регистрацию", reply_markup=nav.mainMenu)
            else:
                await bot.send_message(message.from_user.id, "Не понял")

@dp.message_handler(commands=['wallet'])
async def start(message: types.Message):
    if db.get_metawallet(message.from_user.id) == "0":
        db.set_metawallet(message.from_user.id, message.text)
        await bot.send_message(message.from_user.id,"Регистрация прошла успешно! Нажмите на кнопку 'НАСТРОЙКИ', чтобы закончить регистрацию")


if __name__ == "__main__":
    executor.start_polling(dp, skip_updates = True)

db code:

import sqlite3

class Database:
    def __init__(self, db_file):
        self.connection = sqlite3.connect(db_file)
        self.cursor = self.connection.cursor()
    
    def add_user(self, user_id):
        with self.connection:
            return self.cursor.execute("INSERT INTO `users` (`user_id`) VALUES (?)", (user_id,))
    
    def user_exists(self, user_id):
        with self.connection:
            result = self.cursor.execute("SELECT * FROM `users` WHERE `user_id` = ?", (user_id,)).fetchall()
            return bool(len(result))
    
    def set_nickname(self, user_id, nickname):
        with self.connection:
            return self.cursor.execute("UPDATE `users` SET `nickname` = ? WHERE `user_id` = ?", (nickname, user_id,))

    def get_signup(self, user_id):
        with self.connection:
            result = self.cursor.execute("SELECT `signup` FROM `users` WHERE `user_id` = ?", (user_id,)).fetchall()
            for row in result:
                signup = str(row[0])
            return signup

    def set_signup(self, user_id, signup):
        with self.connection:
            return self.cursor.execute("UPDATE `users` SET `signup` = ? WHERE `user_id` = ?", (signup, user_id,))

    def get_nickname(self, user_id):
        with self.connection:
            result = self.cursor.execute("SELECT `nickname` FROM `users` WHERE `user_id` = ?", (user_id,)).fetchall()
            for row in result:
                nickname = str(row[0])
            return nickname

    def set_metawallet(self, user_id):
        with self.connection:
            return self.cursor.execute("UPDATE `users` SET `wallet` = ? WHERE `user_id` = ?", (wallet, user_id, ))

    def get_metawallet(self, user_id):
        with self.connection:
            result = self.cursor.execute("SELECT `wallet` FROM `users` WHERE `user_id` = ?", (user_id,)).fetchall()
            for row in result:
                wallet = str(row[0])
            return wallet

I'm new to bots, and I don't understand why 3 is given and where they come from

Answer 1

I sort of figured it out, fixed it in db.py in the set_metawallet function:
def set_metawallet(self, wallet, user_id):