Mac 'chromedriver' executable needs to be in Path

问题1：
‘chromedriver’ executable needs to be in Path

先确定使用的Chrome浏览器的版本

然后访问http://chromedriver.storage.googleapis.com/index.html
找到版本相对应的chromedriver

下载成功后放到 /usr/local/bin目录下

借鉴
https://www.cnblogs.com/LeslieForever/p/8317158.html
https://blog.csdn.net/qq_35982344/article/details/79608833

问题2：

WebDriverException: Message: Can not connect to the Service chromedriver