Уведомление о Дне Рождения сотрудника с возможностью добавления или изменения данных

from telebot import *
from time import sleep
import json
import schedule
import threading
 
 
print("\n")
print("Bot working.........")
 
with open("Api.json", "r") as a:
    afile = json.load(a)
a.close()
 
with open("birth.json", encoding="utf8") as d:
    bfile = json.load(d)
d.close()
 
bot = telebot.TeleBot(afile["Api_token"], threaded=True)
chatID = afile["Chat_id"]   
 
 
#Begining: Part of Created post with birthday
def check_birthday(check = None, msg_id = None):   
    text = '''INFO
Поздравим сегодня с Днем Рождения:
'''
    text2 = '''\nЖелаем крепкого здоровья, благополучия в семье, успехов в работе'''
    today = time.strftime('%d.%m')
    # today = "02.12"
    for date in bfile:
        if today in date["Date_birth"]:
            Name_birth = date["First_name"] + " " + date["Last_name"]
            text = text + "\n" + Name_birth
            check = True
    if check:
        text = text + text2
        msg = bot.send_message(chatID, text)
        msg_id = msg.chat.id, msg.message_id
    return msg_id
def check_post(message_id):
    if message_id:
        bot.delete_message(*message_id)
schedule.every().day.at("14:52").do(check_birthday) 
msg_id = check_birthday()
schedule.every().day.at("15:13").do(check_post, message_id=msg_id) 
def start_schedule():
    while True:
        print(121)
        schedule.run_pending()
        time.sleep(30)
#End: Part of Created post with birthday
 
 
if __name__ == '__main__':
    t2 = threading.Thread(target=start_schedule())  
    t2.start()
 
    bot.polling(none_stop=True)

if __name__ == '__main__':
    bot.polling(none_stop=True)
    
    t2 = threading.Thread(target=start_schedule())  
    t2.start()

t2 = threading.Thread(target=start_schedule)  
t2.start()
 
bot.polling(none_stop=True)