Update app.py

app.py

@@ -4,6 +4,7 @@ from selenium.webdriver.common.by import By
 from selenium.webdriver.common.keys import Keys
 from selenium.webdriver.support.ui import WebDriverWait
 from selenium.webdriver.support import expected_conditions as EC
+from selenium.webdriver.chrome.service import Service
 from selenium.webdriver.chrome.options import Options
 import time