title: How can I use Selenium Webdriver for Firefox (Geckodrive)
body: <p>I want to use Selenium Webdriver of Firefox in colab.research.google.com.
  I tired to use some code but It did not work out and was showing an error in the second last line.</p>
  <pre><code>from selenium import webdriver
  from webdriver_manager.firefox import GeckoDriverManager
  from selenium.webdriver.firefox.service import Service
  from selenium.webdriver.firefox.options import Options
  options = Options()
  binary = '/usr/bin/firefox'
  options = webdriver.FirefoxOptions()
  options.binary = binary
  options.add_argument('start-maximized')
  options.add_argument('--headless')
  options.add_argument('--no-sandbox')
  options.add_argument('--disable-dev-shm-usage')
  ser=Service(GeckoDriverManager().install())
  browser = webdriver.Firefox(service=ser)
  browser.get('http://google.com/')
  </code></pre>
  <p>The error message shown is</p>
  <p><strong>====== WebDriver manager ======
  Could not get version for firefox with the command: firefox --version
  Current firefox version is UNKNOWN
  Get LATEST geckodriver version for UNKNOWN firefox
  Driver [/root/.wdm/drivers/geckodriver/linux64/v0.30.0/geckodriver] found in cache</strong>
  Would really appreciate if someone can help me out
  Thanks</p>