was able to solve my case, thanks internet:
Open developper tools in Chrome: Customise and control Google Chrome/More Tools/Developper Tools/
Find corresponding button, right click/Copy/Copy Xpath see also how-to-find-xpath-in-chrome
driver.execute_script: see button-with-javascript-executor
po = driver.find_element(By.XPATH, "/html/body/div2/div1/div/nav1/ul/li2/ul/div[3]/ul2/li[3]/a") driver.execute_script("arguments[0].click();", po)