import requests
from bs4 import BeautifulSoup
from plyer import notification
import time

def cases():
    res = requests.get('https://www.worldometers.info/coronavirus/').text
    soup = BeautifulSoup(res, 'html.parser')
    soup.encode('utf-8')
    cases = soup.find('div', {'class': 'maincounter-number'}).get_text().strip()
    return cases
def notifyMe(title, message):
    notification.notify(title=title, message=message, timeout=5)


while True:
    notifyMe('Количество заражений', cases())
    time.sleep(5)