求助大佬！！

求助大佬！！

求助大佬！！

AttributeError: 'TestBrowser' object has no attribute 'driver'

代码：

test_browser.py

from time import sleep

from appium import webdriver


class TestBrowser:
    def setup(self):
        des_caps = {
            'platformName': 'android',
            'platformVersion': '12',
            'browserName': 'Browser',
            'noReset': True,
            'deviceName': 'emulator-5554'
        }
        self.driver = webdriver.Remote("http://127.0.0.1:4723/wd/hub", des_caps)
        self.driver.implicitly_wait(6)

    def teardown(self):
        self.driver.quit()

    def test_browser(self):
        print("到底发生了什么如此报错？？？？？？？？？？")
        # self.driver.get('https://www.baidu.com')
        self.driver.get("http://www.baidu.com")
        sleep(6)

报错信息：

============================= test session starts =============================
collecting ... collected 1 item

test_browser.py::TestBrowser::test_browser FAILED                        [100%]到底发生了什么如此报错？？？？？？？？？？

test_browser.py:23 (TestBrowser.test_browser)
self = <test_browser.TestBrowser object at 0x000001A120DB3D00>

    def test_browser(self):
        print("到底发生了什么如此报错？？？？？？？？？？")
        # self.driver.get('https://www.baidu.com')
>       self.driver.get("http://www.baidu.com")
E       AttributeError: 'TestBrowser' object has no attribute 'driver'

test_browser.py:27: AttributeError