這是我當(dāng)前的代碼，但是每當(dāng)我運(yùn)行它時(shí)，最后一行都會(huì)出現(xiàn)錯(cuò)誤stale element reference: element is not attached to the page documentfrom selenium import webdriverurl = "https://otctransparency.finra.org/otctransparency/OtcDownload"driver.get(url)driver.maximize_window()driver.implicitly_wait(5)agree = driver.find_elements_by_xpath("//button[@class='btn btn-warning']")[0]agree.click()nonats = driver.find_element_by_link_text('OTC (Non-ATS) Download')nonats.click()driver.find_element_by_xpath("//img[@src='./assets/icon_download.png']").click()driver.switch_to.window(driver.window_handles[0])driver.find_element_by_xpath("(//div[@class='checkbox-inline'])[2]").click()driver.find_element_by_xpath("(//div[@class='checkbox-inline'])[1]").click()driver.implicitly_wait(5)button = driver.find_element_by_xpath("//img[@src='./assets/icon_download.png']")print(button.is_displayed())button.click()當(dāng)我在調(diào)試模式下逐行運(yùn)行代碼時(shí)，一切正常，沒(méi)有任何錯(cuò)誤。任何幫助都會(huì)很棒。編輯：這是我的堆棧跟蹤Traceback (most recent call last): File "C:\Users\derpe\Desktop\python projects personal\testing finra\untitled1.py", line 31, in <module>    button.click()  File "C:\Users\derpe\anaconda3\lib\site-packages\selenium\webdriver\remote\webelement.py", line 80, in click    self._execute(Command.CLICK_ELEMENT)  File "C:\Users\derpe\anaconda3\lib\site-packages\selenium\webdriver\remote\webelement.py", line 633, in _execute    return self._parent.execute(command, params)  File "C:\Users\derpe\anaconda3\lib\site-packages\selenium\webdriver\remote\webdriver.py", line 321, in execute    self.error_handler.check_response(response)  File "C:\Users\derpe\anaconda3\lib\site-packages\selenium\webdriver\remote\errorhandler.py", line 242, in check_response    raise exception_class(message, screen, stacktrace)StaleElementReferenceException: stale element reference: element is not attached to the page document  (Session info: chrome=86.0.4240.75)