ПОМЕНЯЙТЕ СТРОКУ
pages_block = driver.find_element_by_css_selector("#content > div > div.content.bg-white.col-md-12.pl-xs-1.pr-xs-0.pr-md-1.pl-lg-0.pr-lg-0.bb-xs-1 > div > div > div.col-group.pl-xs-0.search-listings-group > div:nth-child(2) > div.mb-xs-5.mt-xs-3 > div > nav > ul").text

НА

pages_block = driver.find_element_by_css_selector(".wt-show-lg > nav:nth-child(1) > ul:nth-child(1)").text