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[metulburr]

You have to find the popup box and close it/and or wait for it to end (Whatever you actually do on the website to bypass it). The links i provided earlier will tell you how to search html with selenium.

You could try

driver.switch_to_alert()

and then proceed to close it. It may or may not work.

alrt = driver.switch_to_alert()
alrt.accept()