Selenium - wait for download

from selenium import webdriver
import time
import os

FOLDER = "/home/furas/Pulpit/" # for some folders it needs / at the end
#FOLDER = "D:/Download"

options = webdriver.ChromeOptions()
prefs = {"download.default_directory": FOLDER}
options.add_experimental_option("prefs", prefs)

driver = webdriver.Chrome(chrome_options=options)
driver.get('https://github.com/ageitgey/face_recognition')

button = driver.find_element_by_css_selector('summary.btn')
button.click()

dbutton = driver.find_element_by_css_selector('a.get-repo-btn')
dbutton.click()

time.sleep(0.5)

while True:
    wait = False

    for i in os.listdir(FOLDER):
        if ".crdownload" in i:
            wait = True
            break # no need to check other files

    if not wait:
        break # exit `while True`

    print('wait')
    time.sleep(0.5)

print("download complete")