Python:WebDriverWait按钮不工作

单击“显示更多结果”按钮。我使用了WebDriverWait，因此它允许加载页面，但没有任何用处

html:

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XPath不正确，因为XPath中不允许使用这些谓词class='btn\u list\u more'type='button'。试一试

"//button[@id='more-btn' and @class='btn_list_more' and @type='button']"

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谢谢，但是不行。错误：页面未正确加载。再试一次。

from selenium import webdriver
from selenium.webdriver.common.keys import Keys
from selenium.webdriver.support.ui import Select
from selenium.webdriver.support.ui import WebDriverWait
from selenium.webdriver.support import expected_conditions as EC
from selenium.webdriver.common.by import By

while True:
    try:
        WebDriverWait(browser, 10).until(EC.presence_of_element_located((By.XPATH, "//button[@id='more-btn' class='btn_list_more' type='button']")))
        WebDriverWait(browser, 10).until(EC.visibility_of_element_located((By.XPATH, "//button[@id='more-btn' class='btn_list_more' type='button']")))
        click=WebDriverWait(browser, 10).until(EC.element_to_be_clickable((By.XPATH, "//button[@id='more-btn' class='btn_list_more' type='button']")))
        try:
            click.click()
        except WebDriverException:
            print "Page not loaded Correctly. Try again."
            break
    except (TimeoutException, StaleElementReferenceException, ElementNotVisibleException, NoSuchElementException):
        break

"//button[@id='more-btn' and @class='btn_list_more' and @type='button']"