How to fix that does not display a message?

Question

Python

conn = sqlite3.connect("Discord.db") # или :memory:
cursor = conn.cursor()
  
@client.event
async def on_ready():
    cursor.execute("""CREATE TABLE if NOT EXISTS (
        name TEXT,
        id INT,
        cash BIGINT,
        rep INT,
        lvl INT
    )""")

    for guild in client.guilds:
        for member in guild.members:
            if cursor.execute(F"SELECT id FROM users WHERE id = {member.id}").fetchone() is None:
                cursor.execute(F"INSERT INTO users VALUES ('{member}', {member.id}, 0, 0, 1)")
            else:
                pass
                connect.commit()
                print('Bot connect')


@client.event
async def on_member_join(member):
    if cursor.execute(F"SELECT id FROM users WHERE id = {member.id}").fetchone() is None:
        cursor.execute(F"INSERT INTO users VALUES ('{member}', {member.id}, 0, 0, 1)")
         conn.commit()
     else:
        pass
@client.command(aliases = ['balance', 'cash'] )
async def __balance(ctx , member: discord.Member = None):
    if member is None: 
        await ctx.send(embed = discord.Embed (
            description = f"""Баланс пользователя **{ctx.author}** составляет **{cursor.execute("SELECT cash FROM users WHERE id = {}".format(ctx.author.id)).fetchone()[0]} :leaves:**"""

            ))
    else:
        await ctx.send(embed = discord.Embed (
            description = F"""Баланс пользователя **{member}** составляет **{cursor.execute("SELECT cash FROM users WHERE id = {}".format(member.id)).fetchone()[0]} :leaves:"""

            ))