AttributeError: 'coroutine' object has no attribute 'username'

Hi! im new and i request an assistance.

so i downloaded this code from github called telegram auto reply and i run it, but then i got this error:

"C:\Users\user\Downloads\Compressed\telegram-auto-reply-master\main.py", line 36, in handle_new_message
    me = await client.get_me().username
AttributeError: 'coroutine' object has no attribute 'username'

here is the screenshot

and this is the main.py code:

#!/usr/bin/env python3
# A simple script to print some messages.
import time
import re
import json
import random
import os
from asyncio import sleep
from pprint import pprint

from telethon import TelegramClient, events, utils
from dotenv import load_dotenv

load_dotenv() # get .env variable

session = os.environ.get('TG_SESSION', 'printer')
api_id = os.getenv("API_ID")
api_hash = os.getenv("API_HASH")
debug_mode = os.getenv("DEBUG_MODE").upper() == "TRUE"

proxy = None  # https://github.com/Anorov/PySocks

# Create and start the client so we can make requests (we don't here)
client = TelegramClient(session, api_id, api_hash, proxy=proxy).start()

# create a sender list to check if user already send private message or mention
senderList = [] 

#read json file and prepare quiz to send later
with open('quizzes.json') as json_file:
    quizzes = json.load(json_file)

@client.on(events.NewMessage)
async def handle_new_message(event):
    
    me = await client.get_me().username
    from_ = await event.client.get_entity(event.from_id)  # this lookup will be cached by telethon
    to_ = await event.client.get_entity(event.message.to_id)

    needToProceed = from_.is_self if debug_mode else not from_.is_self and (event.is_private or re.search("@"+me.username,event.raw_text))
    if needToProceed:  # only auto-reply to private chats:  # only auto-reply to private chats   
        if not from_.bot and event:  # don't auto-reply to bots
            print(time.asctime(), '-', event.message)  # optionally log time and message
            await sleep(1)  # pause for 1 second to rate-limit automatic replies   
            message = ""
            senderList.append(to_.id)
            if senderList.count(to_.id) < 2:
                message =   f"""**AUTO REPLY**
                \nHi @{from_.username},
                \n\nMohon maaf boss saya sedang offline, mohon tunggu sebentar.
                \nSilahkan lihat-lihat [imacakes](https://www.instagram.com/ima_cake_cirebon) dulu untuk cuci mata.
                \n\n**AUTO REPLY**"""
            elif senderList.count(to_.id) < 3:
                message =   f"""**AUTO REPLY**
                \nMohon bersabar @{from_.username}, boss saya masih offline """
            elif senderList.count(to_.id) < 4:
                message = f"""**AUTO REPLY** 
                \n@{from_.username} Tolong bersabar yaa """
            else:
                random_number = random.randint(0,len(quizzes) - 1)
                question = quizzes[random_number]['question']
                answer = quizzes[random_number]['answer']
                message = f"""**AUTO REPLY**
                \n @{from_.username}, Main tebak-tebakan aja yuk 
                \n {question}
                \n {answer}
                \n """
            
            if message != "":
                await event.reply(message)

client.start()
client.run_until_disconnected()

i dont really know whats wrong because im new and dont know much about coding so if anyone willing to help me i really appreciate that :)

Thank You for anyone helping me :)