python - I got error message while input string into selenium webdriver -


i have no idea why webdriver doesn't take string argument.

from selenium import webdriver  driver = webdriver.firefox() name = "andre silva" headline = "football player , ceo" url = "https://www.linkedin.com/search/results/index/?keywords=" + name + " " + headline + "&origin=global_search_header"  driver.get(url)

then got error message:

  file "/users/jiajiefan/data_mining/lib/python2.7/site-packages/selenium/webdriver/remote/webdriver.py", line 268, in     self.execute(command.get, {'url': url})   file "/users/jiajiefan/data_mining/lib/python2.7/site-packages/selenium/webdriver/remote/webdriver.py", line 256, in execute     self.error_handler.check_response(response)   file "/users/jiajiefan/data_mining/lib/python2.7/site-packages/selenium/webdriver/remote/errorhandler.py", line 194, in check_response     raise exception_class(message, screen, stacktrace) selenium.common.exceptions.webdriverexception: message: 'url' not string


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