webdriver error

[pmagixc]

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/home/pmagix/Downloads/Compressed/edu-mail-auto-generator-main/bot.py:75: DeprecationWarning: executable_path has been deprecated, please pass in a Service object
driver = webdriver.Firefox(executable_path=r'./webdriver/geckodriver')
Traceback (most recent call last):
File "/home/pmagix/Downloads/Compressed/edu-mail-auto-generator-main/bot.py", line 1039, in
main()
File "/home/pmagix/Downloads/Compressed/edu-mail-auto-generator-main/bot.py", line 1036, in main
start_bot(reg_url, userEmail, allColleges[userInput], userInput + 1)
File "/home/pmagix/Downloads/Compressed/edu-mail-auto-generator-main/bot.py", line 89, in start_bot
driver.find_element_by_xpath('//[@id="portletContent_u16l1n18"]/div/div[2]/div/a[2]').click()
AttributeError: 'WebDriver' object has no attribute 'find_element_by_xpath'