python3中最新百度首页弹窗的登录方法

from selenium import webdriver
import time
driver = webdriver.Ie()
driver.get("http://www.baidu.com/")
#点击登录链接
time.sleep(3)
driver.find_element_by_xpath("//*[@id='u1']/a[7]").click()
#点击用户登录按钮
time.sleep(2)
driver.find_element_by_class_name("tang-pass-footerBar").find_element_by_css_selector("#TANGRAM__PSP_10__footerULoginBtn").click()
#输入用户名
time.sleep(2)
driver.find_element_by_id("TANGRAM__PSP_10__userName").clear()
driver.find_element_by_id("TANGRAM__PSP_10__userName").send_keys("dengpeiyou")
#输入密码
time.sleep(1)
driver.find_element_by_id("TANGRAM__PSP_10__password").send_keys("*********")
#点击登录按钮
time.sleep(2)
driver.find_element_by_id("TANGRAM__PSP_10__submit").click()