hayatımda hiç yapmadım ama bu kodlarla denedim oldu.
ancak undetected chromedriver 3.2.0 yükledim.

dipnot: pyton zayıf kodları düzenlersin

from selenium.webdriver.common.by import By
import undetected_chromedriver as uc
uc.install()
from selenium.webdriver import Chrome
driver = Chrome()
driver.get('https://gmail.com')
driver.find_element('name','identifier').send_keys('username')
driver.find_element('id','identifierNext').click()
driver.implicitly_wait(10)
driver.find_element('name','Passwd').send_keys('password')
driver.find_element('id','passwordNext').click()
driver.implicitly_wait(10)
mail_table = driver.find_element(By.CLASS_NAME,'Cp')
mail_row = mail_table.find_elements(By.TAG_NAME,'tr')[0]
mail_row.click()
input()