pytest 失败截图

@pytest.hookimpl(tryfirst=True, hookwrapper=True)
def pytest_runtest_makereport(item, call):
    outcome = yield
    rep = outcome.get_result()
    if rep.when == 'call' and rep.outcome == "failed":
        driver = getattr(Context, "driver")
        logger = getattr(Context, "logger")
        title = driver.title
        err_png = driver.get_screenshot_as_png()
 
        # allure.attach.file('./data/totally_open_source_kitten.png', attachment_type=allure.attachment_type.PNG)
 
        logger.error(rep.longreprtext)
        allure.attach(err_png, f"{title}页面失败截图", allure.attachment_type.PNG)