Em um ambiente corretamente configurado e em condições ideai...

import webdriver from selenium

driver = webdriver.Firefox()

driver.set("https://www.trt18.jus.br/portal/")

from selenium import webdriver

driver = webdriver.Firefox()

driver.get("https://www.trt18.jus.br/portal/")

import driver from selenium

webdriver = driver.Firefox()

webdriver.search("https://www.trt18.jus.br/portal/")

import pythondriver from selenium

driver = pythondriver.Firefox()

driver.search("https://www.trt18.jus.br/portal/")

from selenium import pythondriver

driver = pythondriver.Firefox()

driver.get("https://www.trt18.jus.br/portal/")