WebDriverException: Message: invalid argument: can't kill an exited process

[danyaljj]

Getting this error:

$ python main.py -f input.json 
Traceback (most recent call last):
  File "main.py", line 14, in <module>
    driver = get_driver()
  File "/Users/danielk/ideaProjects/python-selenium-google-search/application/google.py", line 8, in get_driver
    return webdriver.Firefox()
  File "/Users/danielk/opt/anaconda3/lib/python3.7/site-packages/selenium/webdriver/firefox/webdriver.py", line 174, in __init__
    keep_alive=True)
  File "/Users/danielk/opt/anaconda3/lib/python3.7/site-packages/selenium/webdriver/remote/webdriver.py", line 157, in __init__
    self.start_session(capabilities, browser_profile)
  File "/Users/danielk/opt/anaconda3/lib/python3.7/site-packages/selenium/webdriver/remote/webdriver.py", line 252, in start_session
    response = self.execute(Command.NEW_SESSION, parameters)
  File "/Users/danielk/opt/anaconda3/lib/python3.7/site-packages/selenium/webdriver/remote/webdriver.py", line 321, in execute
    self.error_handler.check_response(response)
  File "/Users/danielk/opt/anaconda3/lib/python3.7/site-packages/selenium/webdriver/remote/errorhandler.py", line 242, in check_response
    raise exception_class(message, screen, stacktrace)
selenium.common.exceptions.WebDriverException: Message: invalid argument: can't kill an exited process