driver.get(
    'http://stackoverflow.com/questions/36314771/how-to-install-phantomjs-for-use-with-python-selenium-on-the-raspberry-pi/36388824#36388824'
    )
a = driver.find_element_by_xpath('//*[@id="question-header"]/h1/a')
How to install PhantomJS for use with Python Selenium on the Raspberry Pi?