AttributeError: 'WebDriver' object has no attribute 'find_element_by_xpath'

[Steve707-AE]

Traceback (most recent call last):
File "/hassio_bticino_smarter/login.py", line 61, in
Username()
File "/hassio_bticino_smarter/login.py", line 40, in Username
username = driver.find_element_by_xpath("//input[@id='logonIdentifier']");
^^^^^^^^^^^^^^^^^^^^^^^^^^^^
AttributeError: 'WebDriver' object has no attribute 'find_element_by_xpath'
s6-rc: info: service legacy-services: stopping
s6-rc: info: service legacy-services successfully stopped
s6-rc: info: service legacy-cont-init: stopping
s6-rc: info: service legacy-cont-init successfully stopped
s6-rc: info: service fix-attrs: stopping
s6-rc: info: service fix-attrs successfully stopped
s6-rc: info: service s6rc-oneshot-runner: stopping
s6-rc: info: service s6rc-oneshot-runner successfully stopped

I can't start cause of this error, addon has been re-installed with a fresh installation.