fix bad file descriptor in selenium

Python: Fix “OSError: [Errno 9] Bad file descriptor” in Selenium using PhantomJS

I’m having an issue when closing selenium driver and sometimes the selenium driver failed to quit. Here is how to I solve this issue.

import signal
from selenium import webdriver

driver = webdriver.PhantomJS()
# Some code goes here
driver.service.process.send_signal(signal.SIGTERM)
driver.quit()

Reference: http://stackoverflow.com/a/38493285/1936697

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