<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:

def __create_phantom_js_driver(self):
        '''
        Creates an instance of PhantomJS driver.
        '''
        try:
            return webdriver.PhantomJS(executable_path=self._config_reader.get(self.PHANTOMEJS_EXEC_PATH),
                                       service_args=['--ignore-ssl-errors=true'])
        except KeyError:
            return webdriver.PhantomJS(service_args=['--ignore-ssl-errors=true'])