selenium.common.exceptions.WebDriverException: Message: geckodriver executable needs to be in PATH

正在学习selenium,使用PyCharm,新创建了一个.py文件,输入代码:
selenium.common.exceptions.WebDriverException: Message: geckodriver executable needs to be in PATH
运行时提示错误:selenium.common.exceptions.WebDriverException: Message: ‘geckodriver’ executable needs to be in PATH. 无法调用FireFox浏览器
selenium.common.exceptions.WebDriverException: Message: geckodriver executable needs to be in PATH
处理方式如下:
1、下载geckodriver.exe,并将其放到FireFox安装目录下。
geckodriver下载地址:https://github.com/mozilla/geckodriver/releases
selenium.common.exceptions.WebDriverException: Message: geckodriver executable needs to be in PATH
2、配置FireFox环境变量,将FireFox安装目录添加到path路径下
selenium.common.exceptions.WebDriverException: Message: geckodriver executable needs to be in PATH
3、重新启动PyCharm后,运行文件,发现可以正常调用FireFox浏览器